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Finding the Fourth Proportional to 269.64, 372.24 and 195.93

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Solution

The fourth proportional to 269.64, 372.24 and 195.93 is: 270.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.64 : 372.24 = 195.93 : x
  2. Step 2: Convert to fraction form
    269.64/372.24 = 195.93/x
  3. Step 3: Cross multiply
    269.64x = 372.24 × 195.93
  4. Step 4: Simplify right side
    269.64x = 72,932.98
  5. Step 5: Solve for x
    x = 72,932.98/269.64
  6. Step 6: Final answer
    x = 270.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.