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Finding the Fourth Proportional to 453.96, 625.59 and 329.49

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Solution

The fourth proportional to 453.96, 625.59 and 329.49 is: 454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.96 : 625.59 = 329.49 : x
  2. Step 2: Convert to fraction form
    453.96/625.59 = 329.49/x
  3. Step 3: Cross multiply
    453.96x = 625.59 × 329.49
  4. Step 4: Simplify right side
    453.96x = 206,125.65
  5. Step 5: Solve for x
    x = 206,125.65/453.96
  6. Step 6: Final answer
    x = 454.06

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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.