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Finding the Fourth Proportional to 269.27, 403.79 and 95.98

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Solution

The fourth proportional to 269.27, 403.79 and 95.98 is: 143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.27 : 403.79 = 95.98 : x
  2. Step 2: Convert to fraction form
    269.27/403.79 = 95.98/x
  3. Step 3: Cross multiply
    269.27x = 403.79 × 95.98
  4. Step 4: Simplify right side
    269.27x = 38,757.45
  5. Step 5: Solve for x
    x = 38,757.45/269.27
  6. Step 6: Final answer
    x = 143.93

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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.