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Finding the Fourth Proportional to 570.97, 855.37 and 441.19

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Solution

The fourth proportional to 570.97, 855.37 and 441.19 is: 660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    570.97 : 855.37 = 441.19 : x
  2. Step 2: Convert to fraction form
    570.97/855.37 = 441.19/x
  3. Step 3: Cross multiply
    570.97x = 855.37 × 441.19
  4. Step 4: Simplify right side
    570.97x = 377,380.69
  5. Step 5: Solve for x
    x = 377,380.69/570.97
  6. Step 6: Final answer
    x = 660.95

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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.