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Finding the Fourth Proportional to 477.11, 658.47 and 267.32

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Solution

The fourth proportional to 477.11, 658.47 and 267.32 is: 368.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.11 : 658.47 = 267.32 : x
  2. Step 2: Convert to fraction form
    477.11/658.47 = 267.32/x
  3. Step 3: Cross multiply
    477.11x = 658.47 × 267.32
  4. Step 4: Simplify right side
    477.11x = 176,022.20
  5. Step 5: Solve for x
    x = 176,022.20/477.11
  6. Step 6: Final answer
    x = 368.93

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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.