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Finding the Fourth Proportional to 150.08, 225.13 and 63.42

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Solution

The fourth proportional to 150.08, 225.13 and 63.42 is: 95.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.08 : 225.13 = 63.42 : x
  2. Step 2: Convert to fraction form
    150.08/225.13 = 63.42/x
  3. Step 3: Cross multiply
    150.08x = 225.13 × 63.42
  4. Step 4: Simplify right side
    150.08x = 14,276.86
  5. Step 5: Solve for x
    x = 14,276.86/150.08
  6. Step 6: Final answer
    x = 95.13

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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.