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Finding the Fourth Proportional to 574.66, 793.11 and 539.47

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Solution

The fourth proportional to 574.66, 793.11 and 539.47 is: 744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.66 : 793.11 = 539.47 : x
  2. Step 2: Convert to fraction form
    574.66/793.11 = 539.47/x
  3. Step 3: Cross multiply
    574.66x = 793.11 × 539.47
  4. Step 4: Simplify right side
    574.66x = 427,862.07
  5. Step 5: Solve for x
    x = 427,862.07/574.66
  6. Step 6: Final answer
    x = 744.55

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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.