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Finding the Fourth Proportional to 477.48, 658.93 and 267.65

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Solution

The fourth proportional to 477.48, 658.93 and 267.65 is: 369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.48 : 658.93 = 267.65 : x
  2. Step 2: Convert to fraction form
    477.48/658.93 = 267.65/x
  3. Step 3: Cross multiply
    477.48x = 658.93 × 267.65
  4. Step 4: Simplify right side
    477.48x = 176,362.61
  5. Step 5: Solve for x
    x = 176,362.61/477.48
  6. Step 6: Final answer
    x = 369.36

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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.