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Finding the Fourth Proportional to 95.63, 131.88 and 73.50

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Solution

The fourth proportional to 95.63, 131.88 and 73.50 is: 101.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.63 : 131.88 = 73.50 : x
  2. Step 2: Convert to fraction form
    95.63/131.88 = 73.50/x
  3. Step 3: Cross multiply
    95.63x = 131.88 × 73.50
  4. Step 4: Simplify right side
    95.63x = 9,693.18
  5. Step 5: Solve for x
    x = 9,693.18/95.63
  6. Step 6: Final answer
    x = 101.36

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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.