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Finding the Fourth Proportional to 573.35, 791.26 and 324.70

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Solution

The fourth proportional to 573.35, 791.26 and 324.70 is: 448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.35 : 791.26 = 324.70 : x
  2. Step 2: Convert to fraction form
    573.35/791.26 = 324.70/x
  3. Step 3: Cross multiply
    573.35x = 791.26 × 324.70
  4. Step 4: Simplify right side
    573.35x = 256,919.33
  5. Step 5: Solve for x
    x = 256,919.33/573.35
  6. Step 6: Final answer
    x = 448.11

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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.