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Finding the Fourth Proportional to 330.92, 456.59 and 224.61

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Solution

The fourth proportional to 330.92, 456.59 and 224.61 is: 309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    330.92 : 456.59 = 224.61 : x
  2. Step 2: Convert to fraction form
    330.92/456.59 = 224.61/x
  3. Step 3: Cross multiply
    330.92x = 456.59 × 224.61
  4. Step 4: Simplify right side
    330.92x = 102,554.39
  5. Step 5: Solve for x
    x = 102,554.39/330.92
  6. Step 6: Final answer
    x = 309.91

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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.