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Finding the Fourth Proportional to 150.56, 225.68 and 102.24

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Solution

The fourth proportional to 150.56, 225.68 and 102.24 is: 153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.56 : 225.68 = 102.24 : x
  2. Step 2: Convert to fraction form
    150.56/225.68 = 102.24/x
  3. Step 3: Cross multiply
    150.56x = 225.68 × 102.24
  4. Step 4: Simplify right side
    150.56x = 23,073.52
  5. Step 5: Solve for x
    x = 23,073.52/150.56
  6. Step 6: Final answer
    x = 153.25

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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.