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Finding the Fourth Proportional to 232.03, 347.98 and 69.69

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Solution

The fourth proportional to 232.03, 347.98 and 69.69 is: 104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.03 : 347.98 = 69.69 : x
  2. Step 2: Convert to fraction form
    232.03/347.98 = 69.69/x
  3. Step 3: Cross multiply
    232.03x = 347.98 × 69.69
  4. Step 4: Simplify right side
    232.03x = 24,250.73
  5. Step 5: Solve for x
    x = 24,250.73/232.03
  6. Step 6: Final answer
    x = 104.52

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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.