Riverstars had been playing semi-tight (~25-30% VPIP) at early levels but had opened up to ~50% at 75/150 blinds. Fatass had been loose (45% VPIP) and passive.

Is this unnecessary? Would a standard 3x BB raise and a push on the flop if called be better?

POKERSTARS GAME #4272630039: TOURNAMENT #21242134, HOLD'EM NO LIMIT - LEVEL V (75/150) - 2006/03/13 - 06:20:19 (ET)
Table '21242134 1' Seat #2 is the button
Seat 2: riverstarsme (6110 in chips)
Seat 7: taipan168 (3000 in chips)
Seat 9: FATASSS220lb (4390 in chips)
taipan168: posts small blind 75
FATASSS220lb: posts big blind 150
*** HOLE CARDS ***
Dealt to taipan168 [Ad Kd]
riverstarsme: calls 150
taipan168: raises 2850 to 3000 and is all-in