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Finding the Fourth Proportional to 539.96, 805.95 and 500.88

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Solution

The fourth proportional to 539.96, 805.95 and 500.88 is: 747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.96 : 805.95 = 500.88 : x
  2. Step 2: Convert to fraction form
    539.96/805.95 = 500.88/x
  3. Step 3: Cross multiply
    539.96x = 805.95 × 500.88
  4. Step 4: Simplify right side
    539.96x = 403,684.24
  5. Step 5: Solve for x
    x = 403,684.24/539.96
  6. Step 6: Final answer
    x = 747.63

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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.