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Finding the Fourth Proportional to 574.74, 793.08 and 326.07

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Solution

The fourth proportional to 574.74, 793.08 and 326.07 is: 449.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.74 : 793.08 = 326.07 : x
  2. Step 2: Convert to fraction form
    574.74/793.08 = 326.07/x
  3. Step 3: Cross multiply
    574.74x = 793.08 × 326.07
  4. Step 4: Simplify right side
    574.74x = 258,599.60
  5. Step 5: Solve for x
    x = 258,599.60/574.74
  6. Step 6: Final answer
    x = 449.94

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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.