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Finding the Fourth Proportional to 559.98, 773.73 and 540.27

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Solution

The fourth proportional to 559.98, 773.73 and 540.27 is: 746.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.98 : 773.73 = 540.27 : x
  2. Step 2: Convert to fraction form
    559.98/773.73 = 540.27/x
  3. Step 3: Cross multiply
    559.98x = 773.73 × 540.27
  4. Step 4: Simplify right side
    559.98x = 418,023.11
  5. Step 5: Solve for x
    x = 418,023.11/559.98
  6. Step 6: Final answer
    x = 746.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.