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Finding the Fourth Proportional to 574.93, 793.44 and 326.29

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Solution

The fourth proportional to 574.93, 793.44 and 326.29 is: 450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.93 : 793.44 = 326.29 : x
  2. Step 2: Convert to fraction form
    574.93/793.44 = 326.29/x
  3. Step 3: Cross multiply
    574.93x = 793.44 × 326.29
  4. Step 4: Simplify right side
    574.93x = 258,891.54
  5. Step 5: Solve for x
    x = 258,891.54/574.93
  6. Step 6: Final answer
    x = 450.30

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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.