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Finding the Fourth Proportional to 952.22, 1,427.96 and 404.43

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Solution

The fourth proportional to 952.22, 1,427.96 and 404.43 is: 606.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.22 : 1,427.96 = 404.43 : x
  2. Step 2: Convert to fraction form
    952.22/1,427.96 = 404.43/x
  3. Step 3: Cross multiply
    952.22x = 1,427.96 × 404.43
  4. Step 4: Simplify right side
    952.22x = 577,505.52
  5. Step 5: Solve for x
    x = 577,505.52/952.22
  6. Step 6: Final answer
    x = 606.48

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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.