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Finding the Fourth Proportional to 495.10, 742.11 and 372.97

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Solution

The fourth proportional to 495.10, 742.11 and 372.97 is: 559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.10 : 742.11 = 372.97 : x
  2. Step 2: Convert to fraction form
    495.10/742.11 = 372.97/x
  3. Step 3: Cross multiply
    495.10x = 742.11 × 372.97
  4. Step 4: Simplify right side
    495.10x = 276,784.77
  5. Step 5: Solve for x
    x = 276,784.77/495.10
  6. Step 6: Final answer
    x = 559.05

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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.