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Finding the Fourth Proportional to 574.76, 793.14 and 326.08

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Solution

The fourth proportional to 574.76, 793.14 and 326.08 is: 449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.76 : 793.14 = 326.08 : x
  2. Step 2: Convert to fraction form
    574.76/793.14 = 326.08/x
  3. Step 3: Cross multiply
    574.76x = 793.14 × 326.08
  4. Step 4: Simplify right side
    574.76x = 258,627.09
  5. Step 5: Solve for x
    x = 258,627.09/574.76
  6. Step 6: Final answer
    x = 449.97

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Find fourth proportional to 287.38, 396.57 and 163.04
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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.