1. Combine first 5 ingredients; sprinkle with salt. Combine juice, oil, and honey, stirring well. Drizzle dressing mixture over fruit mixture; toss gently. Arrange 1 cup arugula and 1 tablespoon mint on each of 4 plates; top each serving with about 1 3/4 cups fruit mixture. Divide prosciutto evenly among plates; top evenly with cheese.