SAO PAULO, Feb 24 (Reuters) - Brazilian fuel distributor

Vibra Energia on Monday posted a 84.5% tumble in its

fourth-quarter net profit, compared to a year earlier, landing

at 510 million reais ($88.3 million) and below analysts'

estimates.

Analysts polled by LSEG had predicted that Vibra, which

operates a chain of gas stations and sells fuel directly to

companies, would hit a profit of 555 million reais.

($1 = 5.7785 reais)