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Finding the Fourth Proportional to 95.26, 131.24 and 70.66

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Solution

The fourth proportional to 95.26, 131.24 and 70.66 is: 97.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.26 : 131.24 = 70.66 : x
  2. Step 2: Convert to fraction form
    95.26/131.24 = 70.66/x
  3. Step 3: Cross multiply
    95.26x = 131.24 × 70.66
  4. Step 4: Simplify right side
    95.26x = 9,272.62
  5. Step 5: Solve for x
    x = 9,272.62/95.26
  6. Step 6: Final answer
    x = 97.34

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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.