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Finding the Fourth Proportional to 95.07, 131.36 and 73.42

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Solution

The fourth proportional to 95.07, 131.36 and 73.42 is: 101.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.07 : 131.36 = 73.42 : x
  2. Step 2: Convert to fraction form
    95.07/131.36 = 73.42/x
  3. Step 3: Cross multiply
    95.07x = 131.36 × 73.42
  4. Step 4: Simplify right side
    95.07x = 9,644.45
  5. Step 5: Solve for x
    x = 9,644.45/95.07
  6. Step 6: Final answer
    x = 101.45

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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.