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Finding the Fourth Proportional to 269.57, 402.45 and 244.05

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Solution

The fourth proportional to 269.57, 402.45 and 244.05 is: 364.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.57 : 402.45 = 244.05 : x
  2. Step 2: Convert to fraction form
    269.57/402.45 = 244.05/x
  3. Step 3: Cross multiply
    269.57x = 402.45 × 244.05
  4. Step 4: Simplify right side
    269.57x = 98,218.84
  5. Step 5: Solve for x
    x = 98,218.84/269.57
  6. Step 6: Final answer
    x = 364.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.