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Finding the Fourth Proportional to 539.19, 804.87 and 500.72

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Solution

The fourth proportional to 539.19, 804.87 and 500.72 is: 747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.19 : 804.87 = 500.72 : x
  2. Step 2: Convert to fraction form
    539.19/804.87 = 500.72/x
  3. Step 3: Cross multiply
    539.19x = 804.87 × 500.72
  4. Step 4: Simplify right side
    539.19x = 403,010.48
  5. Step 5: Solve for x
    x = 403,010.48/539.19
  6. Step 6: Final answer
    x = 747.44

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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.