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Finding the Fourth Proportional to 441.63, 662.02 and 167.88

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Solution

The fourth proportional to 441.63, 662.02 and 167.88 is: 251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.63 : 662.02 = 167.88 : x
  2. Step 2: Convert to fraction form
    441.63/662.02 = 167.88/x
  3. Step 3: Cross multiply
    441.63x = 662.02 × 167.88
  4. Step 4: Simplify right side
    441.63x = 111,139.50
  5. Step 5: Solve for x
    x = 111,139.50/441.63
  6. Step 6: Final answer
    x = 251.66

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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.