* Q4 EPS $0.46 vs est $0.44
* Q4 rev $203.7 mln vs est 206.8 mln
* Sees FY 2010 EPS $1.85 to $1.95 vs est $1.94
* Sees FY 2010 rev $870 mln TO $895 ml
* Shares fall 6 pct
Feb 18 (Reuters) - Life Time Fitness Inc's LTM.N fourth-quarter profit beat analysts' estimates, helped by lower interest expenses, but forecast a 2010 profit that could miss expectations by as much as 9 cents.
Shares of the fitness-club operator fell as much as 6 percent Thursday Morning on the New York Stock Exchange, they were trading down $1.64 at $26.66.
The company earned $18.4 million, or 46 cents a share, compared with $13.0 million or 33 cents a share a year ago.
Revenue rose 5 percent to $203.7 million.
Analysts on average were looking for a profit of 44 cents a share, before items, on revenue of $206.8 million, according to Thomson Reuters I/B/E/S.
The Chanhassen, Minnesota-based company forecast full year 2010 profit of between $1.85 and $1.95 a share on revenue of between $870 million and $895 million.
Analysts were looking for a profit of $1.94 a share, before items, on revenue of $$883.0 million. (Reporting by Vidya Lakshmi in Bangalore; Editing by Jarshad Kakkrakandy)