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Finding the Fourth Proportional to 574.75, 793.25 and 326.02

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Solution

The fourth proportional to 574.75, 793.25 and 326.02 is: 449.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.75 : 793.25 = 326.02 : x
  2. Step 2: Convert to fraction form
    574.75/793.25 = 326.02/x
  3. Step 3: Cross multiply
    574.75x = 793.25 × 326.02
  4. Step 4: Simplify right side
    574.75x = 258,615.95
  5. Step 5: Solve for x
    x = 258,615.95/574.75
  6. Step 6: Final answer
    x = 449.96

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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.