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Finding the Fourth Proportional to 150.84, 226.11 and 129.32

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Solution

The fourth proportional to 150.84, 226.11 and 129.32 is: 193.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.84 : 226.11 = 129.32 : x
  2. Step 2: Convert to fraction form
    150.84/226.11 = 129.32/x
  3. Step 3: Cross multiply
    150.84x = 226.11 × 129.32
  4. Step 4: Simplify right side
    150.84x = 29,239.41
  5. Step 5: Solve for x
    x = 29,239.41/150.84
  6. Step 6: Final answer
    x = 193.84

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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.