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Finding the Fourth Proportional to 574.73, 793.18 and 322.66

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Solution

The fourth proportional to 574.73, 793.18 and 322.66 is: 445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.73 : 793.18 = 322.66 : x
  2. Step 2: Convert to fraction form
    574.73/793.18 = 322.66/x
  3. Step 3: Cross multiply
    574.73x = 793.18 × 322.66
  4. Step 4: Simplify right side
    574.73x = 255,923.49
  5. Step 5: Solve for x
    x = 255,923.49/574.73
  6. Step 6: Final answer
    x = 445.29

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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.