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Finding the Fourth Proportional to 441.65, 609.63 and 294.33

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Solution

The fourth proportional to 441.65, 609.63 and 294.33 is: 406.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.65 : 609.63 = 294.33 : x
  2. Step 2: Convert to fraction form
    441.65/609.63 = 294.33/x
  3. Step 3: Cross multiply
    441.65x = 609.63 × 294.33
  4. Step 4: Simplify right side
    441.65x = 179,433.58
  5. Step 5: Solve for x
    x = 179,433.58/441.65
  6. Step 6: Final answer
    x = 406.28

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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.