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Finding the Fourth Proportional to 223.35, 334.81 and 132.22

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Solution

The fourth proportional to 223.35, 334.81 and 132.22 is: 198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.35 : 334.81 = 132.22 : x
  2. Step 2: Convert to fraction form
    223.35/334.81 = 132.22/x
  3. Step 3: Cross multiply
    223.35x = 334.81 × 132.22
  4. Step 4: Simplify right side
    223.35x = 44,268.58
  5. Step 5: Solve for x
    x = 44,268.58/223.35
  6. Step 6: Final answer
    x = 198.20

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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.