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Finding the Fourth Proportional to 234.24, 351.38 and 97.32

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Solution

The fourth proportional to 234.24, 351.38 and 97.32 is: 145.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.24 : 351.38 = 97.32 : x
  2. Step 2: Convert to fraction form
    234.24/351.38 = 97.32/x
  3. Step 3: Cross multiply
    234.24x = 351.38 × 97.32
  4. Step 4: Simplify right side
    234.24x = 34,196.30
  5. Step 5: Solve for x
    x = 34,196.30/234.24
  6. Step 6: Final answer
    x = 145.99

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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.