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Finding the Fourth Proportional to 269.85, 406.19 and 244.74

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Solution

The fourth proportional to 269.85, 406.19 and 244.74 is: 368.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.85 : 406.19 = 244.74 : x
  2. Step 2: Convert to fraction form
    269.85/406.19 = 244.74/x
  3. Step 3: Cross multiply
    269.85x = 406.19 × 244.74
  4. Step 4: Simplify right side
    269.85x = 99,410.94
  5. Step 5: Solve for x
    x = 99,410.94/269.85
  6. Step 6: Final answer
    x = 368.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.