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Finding the Fourth Proportional to 234.51, 351.68 and 97.62

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Solution

The fourth proportional to 234.51, 351.68 and 97.62 is: 146.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.51 : 351.68 = 97.62 : x
  2. Step 2: Convert to fraction form
    234.51/351.68 = 97.62/x
  3. Step 3: Cross multiply
    234.51x = 351.68 × 97.62
  4. Step 4: Simplify right side
    234.51x = 34,330.51
  5. Step 5: Solve for x
    x = 34,330.51/234.51
  6. Step 6: Final answer
    x = 146.39

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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.