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Finding the Fourth Proportional to 150.69, 225.96 and 63.96

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Solution

The fourth proportional to 150.69, 225.96 and 63.96 is: 95.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.69 : 225.96 = 63.96 : x
  2. Step 2: Convert to fraction form
    150.69/225.96 = 63.96/x
  3. Step 3: Cross multiply
    150.69x = 225.96 × 63.96
  4. Step 4: Simplify right side
    150.69x = 14,452.40
  5. Step 5: Solve for x
    x = 14,452.40/150.69
  6. Step 6: Final answer
    x = 95.91

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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.