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Finding the Fourth Proportional to 539.34, 804.62 and 480.52

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Solution

The fourth proportional to 539.34, 804.62 and 480.52 is: 716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.34 : 804.62 = 480.52 : x
  2. Step 2: Convert to fraction form
    539.34/804.62 = 480.52/x
  3. Step 3: Cross multiply
    539.34x = 804.62 × 480.52
  4. Step 4: Simplify right side
    539.34x = 386,636.00
  5. Step 5: Solve for x
    x = 386,636.00/539.34
  6. Step 6: Final answer
    x = 716.87

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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.