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Finding the Fourth Proportional to 395.68, 592.20 and 249.52

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Solution

The fourth proportional to 395.68, 592.20 and 249.52 is: 373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.68 : 592.20 = 249.52 : x
  2. Step 2: Convert to fraction form
    395.68/592.20 = 249.52/x
  3. Step 3: Cross multiply
    395.68x = 592.20 × 249.52
  4. Step 4: Simplify right side
    395.68x = 147,765.74
  5. Step 5: Solve for x
    x = 147,765.74/395.68
  6. Step 6: Final answer
    x = 373.45

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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.