By Heekyong Yang and Joyce Lee SEOUL (Reuters) -South Korea’s Hyundai Motor Co on Thursday reported a 31% rise in fourth-quarter profit that missed analyst expectations due to unfavourable exchange rates as well as one-off costs related to the sale of its Russia plant in December. Hyundai Motor, the world’s No.3 automaker by sales with its affiliate Kia Corp, reported a net profit of 2.2 trillion won ($1.65 billion) for the October-December period versus a profit of 1.7 trillion won a year earlier. That compared with a 2.9 trillion won average forecast by LSEG SmartEstimate, which is weighted …