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Finding the Fourth Proportional to 441.24, 660.92 and 383.19

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Solution

The fourth proportional to 441.24, 660.92 and 383.19 is: 573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.24 : 660.92 = 383.19 : x
  2. Step 2: Convert to fraction form
    441.24/660.92 = 383.19/x
  3. Step 3: Cross multiply
    441.24x = 660.92 × 383.19
  4. Step 4: Simplify right side
    441.24x = 253,256.02
  5. Step 5: Solve for x
    x = 253,256.02/441.24
  6. Step 6: Final answer
    x = 573.96

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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.