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Finding the Fourth Proportional to 97.60, 134.56 and 95.84

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Solution

The fourth proportional to 97.60, 134.56 and 95.84 is: 132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.60 : 134.56 = 95.84 : x
  2. Step 2: Convert to fraction form
    97.60/134.56 = 95.84/x
  3. Step 3: Cross multiply
    97.60x = 134.56 × 95.84
  4. Step 4: Simplify right side
    97.60x = 12,896.23
  5. Step 5: Solve for x
    x = 12,896.23/97.60
  6. Step 6: Final answer
    x = 132.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.