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Finding the Fourth Proportional to 149.43, 222.84 and 132.83

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Solution

The fourth proportional to 149.43, 222.84 and 132.83 is: 198.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.43 : 222.84 = 132.83 : x
  2. Step 2: Convert to fraction form
    149.43/222.84 = 132.83/x
  3. Step 3: Cross multiply
    149.43x = 222.84 × 132.83
  4. Step 4: Simplify right side
    149.43x = 29,599.98
  5. Step 5: Solve for x
    x = 29,599.98/149.43
  6. Step 6: Final answer
    x = 198.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.