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Finding the Fourth Proportional to 232.79, 348.87 and 95.67

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Solution

The fourth proportional to 232.79, 348.87 and 95.67 is: 143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.79 : 348.87 = 95.67 : x
  2. Step 2: Convert to fraction form
    232.79/348.87 = 95.67/x
  3. Step 3: Cross multiply
    232.79x = 348.87 × 95.67
  4. Step 4: Simplify right side
    232.79x = 33,376.39
  5. Step 5: Solve for x
    x = 33,376.39/232.79
  6. Step 6: Final answer
    x = 143.38

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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.