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Finding the Fourth Proportional to 265.19, 366.20 and 249.54

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Solution

The fourth proportional to 265.19, 366.20 and 249.54 is: 344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.19 : 366.20 = 249.54 : x
  2. Step 2: Convert to fraction form
    265.19/366.20 = 249.54/x
  3. Step 3: Cross multiply
    265.19x = 366.20 × 249.54
  4. Step 4: Simplify right side
    265.19x = 91,380.30
  5. Step 5: Solve for x
    x = 91,380.30/265.19
  6. Step 6: Final answer
    x = 344.59

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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.