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Finding the Fourth Proportional to 234.76, 352.12 and 63.76

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Solution

The fourth proportional to 234.76, 352.12 and 63.76 is: 95.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.76 : 352.12 = 63.76 : x
  2. Step 2: Convert to fraction form
    234.76/352.12 = 63.76/x
  3. Step 3: Cross multiply
    234.76x = 352.12 × 63.76
  4. Step 4: Simplify right side
    234.76x = 22,451.17
  5. Step 5: Solve for x
    x = 22,451.17/234.76
  6. Step 6: Final answer
    x = 95.63

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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.