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Finding the Fourth Proportional to 234.37, 351.42 and 153.37

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Solution

The fourth proportional to 234.37, 351.42 and 153.37 is: 229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.37 : 351.42 = 153.37 : x
  2. Step 2: Convert to fraction form
    234.37/351.42 = 153.37/x
  3. Step 3: Cross multiply
    234.37x = 351.42 × 153.37
  4. Step 4: Simplify right side
    234.37x = 53,897.29
  5. Step 5: Solve for x
    x = 53,897.29/234.37
  6. Step 6: Final answer
    x = 229.97

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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.