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Finding the Fourth Proportional to 441.36, 661.59 and 167.37

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Solution

The fourth proportional to 441.36, 661.59 and 167.37 is: 250.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.36 : 661.59 = 167.37 : x
  2. Step 2: Convert to fraction form
    441.36/661.59 = 167.37/x
  3. Step 3: Cross multiply
    441.36x = 661.59 × 167.37
  4. Step 4: Simplify right side
    441.36x = 110,730.32
  5. Step 5: Solve for x
    x = 110,730.32/441.36
  6. Step 6: Final answer
    x = 250.88

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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.