435. Your vessel is steaming on a course of 140° T at 15 knots. At 1530 a lighthouse bears 200° T. At 1550 it bears 249° T. What is your distance from the lighthouse at 1550?

The distance between the ship's positions is 5 nautical miles. Applying the law of sines to the triangle formed by the ship's positions and the lighthouse, with angles of 60, 49, and 71, yields a distance of 5.75 nautical miles from the ship to the lighthouse at 1550.