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Finding the Fourth Proportional to 476.72, 658.24 and 366.02

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Solution

The fourth proportional to 476.72, 658.24 and 366.02 is: 505.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.72 : 658.24 = 366.02 : x
  2. Step 2: Convert to fraction form
    476.72/658.24 = 366.02/x
  3. Step 3: Cross multiply
    476.72x = 658.24 × 366.02
  4. Step 4: Simplify right side
    476.72x = 240,924.80
  5. Step 5: Solve for x
    x = 240,924.80/476.72
  6. Step 6: Final answer
    x = 505.39

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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.