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Finding the Fourth Proportional to 574.86, 793.36 and 326.23

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Solution

The fourth proportional to 574.86, 793.36 and 326.23 is: 450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.86 : 793.36 = 326.23 : x
  2. Step 2: Convert to fraction form
    574.86/793.36 = 326.23/x
  3. Step 3: Cross multiply
    574.86x = 793.36 × 326.23
  4. Step 4: Simplify right side
    574.86x = 258,816.26
  5. Step 5: Solve for x
    x = 258,816.26/574.86
  6. Step 6: Final answer
    x = 450.22

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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.