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Finding the Fourth Proportional to 573.20, 791.02 and 324.52

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Solution

The fourth proportional to 573.20, 791.02 and 324.52 is: 447.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.20 : 791.02 = 324.52 : x
  2. Step 2: Convert to fraction form
    573.20/791.02 = 324.52/x
  3. Step 3: Cross multiply
    573.20x = 791.02 × 324.52
  4. Step 4: Simplify right side
    573.20x = 256,701.81
  5. Step 5: Solve for x
    x = 256,701.81/573.20
  6. Step 6: Final answer
    x = 447.84

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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.