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Finding the Fourth Proportional to 223.55, 334.88 and 132.02

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Solution

The fourth proportional to 223.55, 334.88 and 132.02 is: 197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.55 : 334.88 = 132.02 : x
  2. Step 2: Convert to fraction form
    223.55/334.88 = 132.02/x
  3. Step 3: Cross multiply
    223.55x = 334.88 × 132.02
  4. Step 4: Simplify right side
    223.55x = 44,210.86
  5. Step 5: Solve for x
    x = 44,210.86/223.55
  6. Step 6: Final answer
    x = 197.77

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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.