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Finding the Fourth Proportional to 234.18, 323.01 and 135.92

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Solution

The fourth proportional to 234.18, 323.01 and 135.92 is: 187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.18 : 323.01 = 135.92 : x
  2. Step 2: Convert to fraction form
    234.18/323.01 = 135.92/x
  3. Step 3: Cross multiply
    234.18x = 323.01 × 135.92
  4. Step 4: Simplify right side
    234.18x = 43,904.33
  5. Step 5: Solve for x
    x = 43,904.33/234.18
  6. Step 6: Final answer
    x = 187.48

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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.