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Finding the Fourth Proportional to 573.33, 791.11 and 324.66

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Solution

The fourth proportional to 573.33, 791.11 and 324.66 is: 447.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.33 : 791.11 = 324.66 : x
  2. Step 2: Convert to fraction form
    573.33/791.11 = 324.66/x
  3. Step 3: Cross multiply
    573.33x = 791.11 × 324.66
  4. Step 4: Simplify right side
    573.33x = 256,841.77
  5. Step 5: Solve for x
    x = 256,841.77/573.33
  6. Step 6: Final answer
    x = 447.98

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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.