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Finding the Fourth Proportional to 454.52, 680.70 and 363.30

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Solution

The fourth proportional to 454.52, 680.70 and 363.30 is: 544.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.52 : 680.70 = 363.30 : x
  2. Step 2: Convert to fraction form
    454.52/680.70 = 363.30/x
  3. Step 3: Cross multiply
    454.52x = 680.70 × 363.30
  4. Step 4: Simplify right side
    454.52x = 247,298.31
  5. Step 5: Solve for x
    x = 247,298.31/454.52
  6. Step 6: Final answer
    x = 544.09

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