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Finding the Fourth Proportional to 97.44, 133.32 and 95.76

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Solution

The fourth proportional to 97.44, 133.32 and 95.76 is: 131.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.44 : 133.32 = 95.76 : x
  2. Step 2: Convert to fraction form
    97.44/133.32 = 95.76/x
  3. Step 3: Cross multiply
    97.44x = 133.32 × 95.76
  4. Step 4: Simplify right side
    97.44x = 12,766.72
  5. Step 5: Solve for x
    x = 12,766.72/97.44
  6. Step 6: Final answer
    x = 131.02

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.