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Finding the Fourth Proportional to 234.38, 351.56 and 234.04

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Solution

The fourth proportional to 234.38, 351.56 and 234.04 is: 351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.38 : 351.56 = 234.04 : x
  2. Step 2: Convert to fraction form
    234.38/351.56 = 234.04/x
  3. Step 3: Cross multiply
    234.38x = 351.56 × 234.04
  4. Step 4: Simplify right side
    234.38x = 82,277.05
  5. Step 5: Solve for x
    x = 82,277.05/234.38
  6. Step 6: Final answer
    x = 351.05

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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.