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Finding the Fourth Proportional to 454.80, 680.53 and 441.44

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Solution

The fourth proportional to 454.80, 680.53 and 441.44 is: 660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.80 : 680.53 = 441.44 : x
  2. Step 2: Convert to fraction form
    454.80/680.53 = 441.44/x
  3. Step 3: Cross multiply
    454.80x = 680.53 × 441.44
  4. Step 4: Simplify right side
    454.80x = 300,413.16
  5. Step 5: Solve for x
    x = 300,413.16/454.80
  6. Step 6: Final answer
    x = 660.54

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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.