Home / 477.20-715.08-349.04

Finding the Fourth Proportional to 477.20, 715.08 and 349.04

Calculator

Solution

The fourth proportional to 477.20, 715.08 and 349.04 is: 523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.20 : 715.08 = 349.04 : x
  2. Step 2: Convert to fraction form
    477.20/715.08 = 349.04/x
  3. Step 3: Cross multiply
    477.20x = 715.08 × 349.04
  4. Step 4: Simplify right side
    477.20x = 249,591.52
  5. Step 5: Solve for x
    x = 249,591.52/477.20
  6. Step 6: Final answer
    x = 523.03

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.