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Finding the Fourth Proportional to 441.35, 609.12 and 252.35

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Solution

The fourth proportional to 441.35, 609.12 and 252.35 is: 348.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.35 : 609.12 = 252.35 : x
  2. Step 2: Convert to fraction form
    441.35/609.12 = 252.35/x
  3. Step 3: Cross multiply
    441.35x = 609.12 × 252.35
  4. Step 4: Simplify right side
    441.35x = 153,711.43
  5. Step 5: Solve for x
    x = 153,711.43/441.35
  6. Step 6: Final answer
    x = 348.28

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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.