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Finding the Fourth Proportional to 150.67, 225.60 and 131.32

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Solution

The fourth proportional to 150.67, 225.60 and 131.32 is: 196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.67 : 225.60 = 131.32 : x
  2. Step 2: Convert to fraction form
    150.67/225.60 = 131.32/x
  3. Step 3: Cross multiply
    150.67x = 225.60 × 131.32
  4. Step 4: Simplify right side
    150.67x = 29,625.79
  5. Step 5: Solve for x
    x = 29,625.79/150.67
  6. Step 6: Final answer
    x = 196.63

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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.