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Finding the Fourth Proportional to 605.52, 906.12 and 441.18

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Solution

The fourth proportional to 605.52, 906.12 and 441.18 is: 660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.52 : 906.12 = 441.18 : x
  2. Step 2: Convert to fraction form
    605.52/906.12 = 441.18/x
  3. Step 3: Cross multiply
    605.52x = 906.12 × 441.18
  4. Step 4: Simplify right side
    605.52x = 399,762.02
  5. Step 5: Solve for x
    x = 399,762.02/605.52
  6. Step 6: Final answer
    x = 660.20

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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.