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Finding the Fourth Proportional to 600.45, 900.72 and 167.61

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Solution

The fourth proportional to 600.45, 900.72 and 167.61 is: 251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.45 : 900.72 = 167.61 : x
  2. Step 2: Convert to fraction form
    600.45/900.72 = 167.61/x
  3. Step 3: Cross multiply
    600.45x = 900.72 × 167.61
  4. Step 4: Simplify right side
    600.45x = 150,969.05
  5. Step 5: Solve for x
    x = 150,969.05/600.45
  6. Step 6: Final answer
    x = 251.42

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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.