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Finding the Fourth Proportional to 234.76, 322.23 and 224.73

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Solution

The fourth proportional to 234.76, 322.23 and 224.73 is: 308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.76 : 322.23 = 224.73 : x
  2. Step 2: Convert to fraction form
    234.76/322.23 = 224.73/x
  3. Step 3: Cross multiply
    234.76x = 322.23 × 224.73
  4. Step 4: Simplify right side
    234.76x = 72,414.99
  5. Step 5: Solve for x
    x = 72,414.99/234.76
  6. Step 6: Final answer
    x = 308.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.