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Finding the Fourth Proportional to 495.53, 743.11 and 235.31

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Solution

The fourth proportional to 495.53, 743.11 and 235.31 is: 352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.53 : 743.11 = 235.31 : x
  2. Step 2: Convert to fraction form
    495.53/743.11 = 235.31/x
  3. Step 3: Cross multiply
    495.53x = 743.11 × 235.31
  4. Step 4: Simplify right side
    495.53x = 174,862.48
  5. Step 5: Solve for x
    x = 174,862.48/495.53
  6. Step 6: Final answer
    x = 352.88

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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.