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Finding the Fourth Proportional to 224.92, 310.24 and 195.76

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Solution

The fourth proportional to 224.92, 310.24 and 195.76 is: 270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.92 : 310.24 = 195.76 : x
  2. Step 2: Convert to fraction form
    224.92/310.24 = 195.76/x
  3. Step 3: Cross multiply
    224.92x = 310.24 × 195.76
  4. Step 4: Simplify right side
    224.92x = 60,732.58
  5. Step 5: Solve for x
    x = 60,732.58/224.92
  6. Step 6: Final answer
    x = 270.02

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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.