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Finding the Third Proportional to 357 and 452.25

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Solution

The third proportional to 357 and 452.25 is: 572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    357 : 452.25 = 452.25 : x
  2. Step 2: Convert to fraction form
    357/452.25 = 452.25/x
  3. Step 3: Cross multiply
    357x = 452.25 × 452.25
  4. Step 4: Simplify right side
    357x = 204,530.06
  5. Step 5: Solve for x
    x = 204,530.06/357
  6. Step 6: Final answer
    x = 572.91

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.