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Finding the Fourth Proportional to 637.27, 950.54 and 540.47

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Solution

The fourth proportional to 637.27, 950.54 and 540.47 is: 806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.27 : 950.54 = 540.47 : x
  2. Step 2: Convert to fraction form
    637.27/950.54 = 540.47/x
  3. Step 3: Cross multiply
    637.27x = 950.54 × 540.47
  4. Step 4: Simplify right side
    637.27x = 513,738.03
  5. Step 5: Solve for x
    x = 513,738.03/637.27
  6. Step 6: Final answer
    x = 806.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.