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Finding the Fourth Proportional to 332.72, 497.84 and 223.98

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Solution

The fourth proportional to 332.72, 497.84 and 223.98 is: 335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.72 : 497.84 = 223.98 : x
  2. Step 2: Convert to fraction form
    332.72/497.84 = 223.98/x
  3. Step 3: Cross multiply
    332.72x = 497.84 × 223.98
  4. Step 4: Simplify right side
    332.72x = 111,505.08
  5. Step 5: Solve for x
    x = 111,505.08/332.72
  6. Step 6: Final answer
    x = 335.13

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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.