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Finding the Fourth Proportional to 452.62, 679.56 and 371.22

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Solution

The fourth proportional to 452.62, 679.56 and 371.22 is: 557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.62 : 679.56 = 371.22 : x
  2. Step 2: Convert to fraction form
    452.62/679.56 = 371.22/x
  3. Step 3: Cross multiply
    452.62x = 679.56 × 371.22
  4. Step 4: Simplify right side
    452.62x = 252,266.26
  5. Step 5: Solve for x
    x = 252,266.26/452.62
  6. Step 6: Final answer
    x = 557.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.