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Finding the Fourth Proportional to 96.41, 131.98 and 93.31

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Solution

The fourth proportional to 96.41, 131.98 and 93.31 is: 127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.41 : 131.98 = 93.31 : x
  2. Step 2: Convert to fraction form
    96.41/131.98 = 93.31/x
  3. Step 3: Cross multiply
    96.41x = 131.98 × 93.31
  4. Step 4: Simplify right side
    96.41x = 12,314.39
  5. Step 5: Solve for x
    x = 12,314.39/96.41
  6. Step 6: Final answer
    x = 127.73

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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.