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Finding the Fourth Proportional to 539.10, 807.93 and 495.36

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Solution

The fourth proportional to 539.10, 807.93 and 495.36 is: 742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.10 : 807.93 = 495.36 : x
  2. Step 2: Convert to fraction form
    539.10/807.93 = 495.36/x
  3. Step 3: Cross multiply
    539.10x = 807.93 × 495.36
  4. Step 4: Simplify right side
    539.10x = 400,216.20
  5. Step 5: Solve for x
    x = 400,216.20/539.10
  6. Step 6: Final answer
    x = 742.38

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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.