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Finding the Fourth Proportional to 150.56, 225.40 and 107.12

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Solution

The fourth proportional to 150.56, 225.40 and 107.12 is: 160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.56 : 225.40 = 107.12 : x
  2. Step 2: Convert to fraction form
    150.56/225.40 = 107.12/x
  3. Step 3: Cross multiply
    150.56x = 225.40 × 107.12
  4. Step 4: Simplify right side
    150.56x = 24,144.85
  5. Step 5: Solve for x
    x = 24,144.85/150.56
  6. Step 6: Final answer
    x = 160.37

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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.