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Finding the Fourth Proportional to 63.95, 95.33 and 60.50

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Solution

The fourth proportional to 63.95, 95.33 and 60.50 is: 90.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.95 : 95.33 = 60.50 : x
  2. Step 2: Convert to fraction form
    63.95/95.33 = 60.50/x
  3. Step 3: Cross multiply
    63.95x = 95.33 × 60.50
  4. Step 4: Simplify right side
    63.95x = 5,766.69
  5. Step 5: Solve for x
    x = 5,766.69/63.95
  6. Step 6: Final answer
    x = 90.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.