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Finding the Fourth Proportional to 244.29, 366.37 and 205.78

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Solution

The fourth proportional to 244.29, 366.37 and 205.78 is: 308.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.29 : 366.37 = 205.78 : x
  2. Step 2: Convert to fraction form
    244.29/366.37 = 205.78/x
  3. Step 3: Cross multiply
    244.29x = 366.37 × 205.78
  4. Step 4: Simplify right side
    244.29x = 75,391.62
  5. Step 5: Solve for x
    x = 75,391.62/244.29
  6. Step 6: Final answer
    x = 308.62

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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.