At the 1936 Winter Olympics in Garmisch-Partenkirchen, Berauer finished 14th in the Nordic combined, 21st in the 18 km cross-country event and was part of the Czechoslovak team that finished 5th in the 4 x 10 km relay.
During World War II Berauer was a sergeant in the Gebirgsjäger corps (English: mountain troops). After the war he was incapable of returning to his sport due to a serious injury on the Eastern Front. From 1963 to 1975, he was the Chairman of the FIS Committee "Nordic combined". In 1986, Berauer died in Schliersee, Bavaria, Germany.