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Finding the Fourth Proportional to 223.94, 335.95 and 132.53

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Solution

The fourth proportional to 223.94, 335.95 and 132.53 is: 198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.94 : 335.95 = 132.53 : x
  2. Step 2: Convert to fraction form
    223.94/335.95 = 132.53/x
  3. Step 3: Cross multiply
    223.94x = 335.95 × 132.53
  4. Step 4: Simplify right side
    223.94x = 44,521.44
  5. Step 5: Solve for x
    x = 44,521.44/223.94
  6. Step 6: Final answer
    x = 198.81

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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.