Home / 306.63-459.85-101.15

Finding the Fourth Proportional to 306.63, 459.85 and 101.15

Calculator

Solution

The fourth proportional to 306.63, 459.85 and 101.15 is: 151.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    306.63 : 459.85 = 101.15 : x
  2. Step 2: Convert to fraction form
    306.63/459.85 = 101.15/x
  3. Step 3: Cross multiply
    306.63x = 459.85 × 101.15
  4. Step 4: Simplify right side
    306.63x = 46,511.02
  5. Step 5: Solve for x
    x = 46,511.02/306.63
  6. Step 6: Final answer
    x = 151.68

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.