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Finding the Fourth Proportional to 545.04, 750.42 and 476.04

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Solution

The fourth proportional to 545.04, 750.42 and 476.04 is: 655.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.04 : 750.42 = 476.04 : x
  2. Step 2: Convert to fraction form
    545.04/750.42 = 476.04/x
  3. Step 3: Cross multiply
    545.04x = 750.42 × 476.04
  4. Step 4: Simplify right side
    545.04x = 357,229.94
  5. Step 5: Solve for x
    x = 357,229.94/545.04
  6. Step 6: Final answer
    x = 655.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.