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Finding the Fourth Proportional to 441.22, 609.36 and 294.49

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Solution

The fourth proportional to 441.22, 609.36 and 294.49 is: 406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.22 : 609.36 = 294.49 : x
  2. Step 2: Convert to fraction form
    441.22/609.36 = 294.49/x
  3. Step 3: Cross multiply
    441.22x = 609.36 × 294.49
  4. Step 4: Simplify right side
    441.22x = 179,450.43
  5. Step 5: Solve for x
    x = 179,450.43/441.22
  6. Step 6: Final answer
    x = 406.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.