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Finding the Fourth Proportional to 96.02, 143.72 and 63.44

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Solution

The fourth proportional to 96.02, 143.72 and 63.44 is: 94.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.02 : 143.72 = 63.44 : x
  2. Step 2: Convert to fraction form
    96.02/143.72 = 63.44/x
  3. Step 3: Cross multiply
    96.02x = 143.72 × 63.44
  4. Step 4: Simplify right side
    96.02x = 9,116.56
  5. Step 5: Solve for x
    x = 9,116.56/96.02
  6. Step 6: Final answer
    x = 94.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.