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Finding the Fourth Proportional to 234.11, 350.24 and 156.71

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Solution

The fourth proportional to 234.11, 350.24 and 156.71 is: 234.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.11 : 350.24 = 156.71 : x
  2. Step 2: Convert to fraction form
    234.11/350.24 = 156.71/x
  3. Step 3: Cross multiply
    234.11x = 350.24 × 156.71
  4. Step 4: Simplify right side
    234.11x = 54,883.58
  5. Step 5: Solve for x
    x = 54,883.58/234.11
  6. Step 6: Final answer
    x = 234.44

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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.