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Finding the Fourth Proportional to 574.95, 793.37 and 326.22

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Solution

The fourth proportional to 574.95, 793.37 and 326.22 is: 450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.95 : 793.37 = 326.22 : x
  2. Step 2: Convert to fraction form
    574.95/793.37 = 326.22/x
  3. Step 3: Cross multiply
    574.95x = 793.37 × 326.22
  4. Step 4: Simplify right side
    574.95x = 258,813.16
  5. Step 5: Solve for x
    x = 258,813.16/574.95
  6. Step 6: Final answer
    x = 450.15

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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.