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Finding the Fourth Proportional to 573.62, 791.56 and 371.39

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Solution

The fourth proportional to 573.62, 791.56 and 371.39 is: 512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.62 : 791.56 = 371.39 : x
  2. Step 2: Convert to fraction form
    573.62/791.56 = 371.39/x
  3. Step 3: Cross multiply
    573.62x = 791.56 × 371.39
  4. Step 4: Simplify right side
    573.62x = 293,971.65
  5. Step 5: Solve for x
    x = 293,971.65/573.62
  6. Step 6: Final answer
    x = 512.49

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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.