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Finding the Fourth Proportional to 334.27, 460.91 and 281.73

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Solution

The fourth proportional to 334.27, 460.91 and 281.73 is: 388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.27 : 460.91 = 281.73 : x
  2. Step 2: Convert to fraction form
    334.27/460.91 = 281.73/x
  3. Step 3: Cross multiply
    334.27x = 460.91 × 281.73
  4. Step 4: Simplify right side
    334.27x = 129,854.61
  5. Step 5: Solve for x
    x = 129,854.61/334.27
  6. Step 6: Final answer
    x = 388.47

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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.