VINCENNES, Ind., September 15- Herman Paul Ramsey, age twenty-two was fined $100 and costs and sentenced to six months on the State Farm by Mayor Joseph Kimmell today for robbing a woman hitch-hiker he had taken for a ride in a borrowed automobile. Adelle Yensull, age twenty, of Pittsburgh, told police Ramsey informed her he was going to Baltimore and would take her to her home. She said he drove away with her belongings and money when she stopped at an outlying filling Station.