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Finding the Fourth Proportional to 232.11, 347.83 and 153.89

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Solution

The fourth proportional to 232.11, 347.83 and 153.89 is: 230.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.11 : 347.83 = 153.89 : x
  2. Step 2: Convert to fraction form
    232.11/347.83 = 153.89/x
  3. Step 3: Cross multiply
    232.11x = 347.83 × 153.89
  4. Step 4: Simplify right side
    232.11x = 53,526.79
  5. Step 5: Solve for x
    x = 53,526.79/232.11
  6. Step 6: Final answer
    x = 230.61

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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.