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Finding the Fourth Proportional to 477.56, 658.28 and 337.84

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Solution

The fourth proportional to 477.56, 658.28 and 337.84 is: 465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.56 : 658.28 = 337.84 : x
  2. Step 2: Convert to fraction form
    477.56/658.28 = 337.84/x
  3. Step 3: Cross multiply
    477.56x = 658.28 × 337.84
  4. Step 4: Simplify right side
    477.56x = 222,393.32
  5. Step 5: Solve for x
    x = 222,393.32/477.56
  6. Step 6: Final answer
    x = 465.69

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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.