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Finding the Fourth Proportional to 223.53, 335.34 and 132.10

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Solution

The fourth proportional to 223.53, 335.34 and 132.10 is: 198.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.53 : 335.34 = 132.10 : x
  2. Step 2: Convert to fraction form
    223.53/335.34 = 132.10/x
  3. Step 3: Cross multiply
    223.53x = 335.34 × 132.10
  4. Step 4: Simplify right side
    223.53x = 44,297.58
  5. Step 5: Solve for x
    x = 44,297.58/223.53
  6. Step 6: Final answer
    x = 198.18

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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.