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Finding the Fourth Proportional to 453.97, 626.73 and 329.50

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Solution

The fourth proportional to 453.97, 626.73 and 329.50 is: 454.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.97 : 626.73 = 329.50 : x
  2. Step 2: Convert to fraction form
    453.97/626.73 = 329.50/x
  3. Step 3: Cross multiply
    453.97x = 626.73 × 329.50
  4. Step 4: Simplify right side
    453.97x = 206,507.54
  5. Step 5: Solve for x
    x = 206,507.54/453.97
  6. Step 6: Final answer
    x = 454.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.