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Finding the Fourth Proportional to 316.12, 474.50 and 224.92

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Solution

The fourth proportional to 316.12, 474.50 and 224.92 is: 337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.12 : 474.50 = 224.92 : x
  2. Step 2: Convert to fraction form
    316.12/474.50 = 224.92/x
  3. Step 3: Cross multiply
    316.12x = 474.50 × 224.92
  4. Step 4: Simplify right side
    316.12x = 106,724.54
  5. Step 5: Solve for x
    x = 106,724.54/316.12
  6. Step 6: Final answer
    x = 337.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.