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Finding the Fourth Proportional to 495.62, 743.48 and 252.02

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Solution

The fourth proportional to 495.62, 743.48 and 252.02 is: 378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.62 : 743.48 = 252.02 : x
  2. Step 2: Convert to fraction form
    495.62/743.48 = 252.02/x
  3. Step 3: Cross multiply
    495.62x = 743.48 × 252.02
  4. Step 4: Simplify right side
    495.62x = 187,371.83
  5. Step 5: Solve for x
    x = 187,371.83/495.62
  6. Step 6: Final answer
    x = 378.06

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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.