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Finding the Fourth Proportional to 682.44, 1,023.66 and 169.44

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Solution

The fourth proportional to 682.44, 1,023.66 and 169.44 is: 254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    682.44 : 1,023.66 = 169.44 : x
  2. Step 2: Convert to fraction form
    682.44/1,023.66 = 169.44/x
  3. Step 3: Cross multiply
    682.44x = 1,023.66 × 169.44
  4. Step 4: Simplify right side
    682.44x = 173,451.19
  5. Step 5: Solve for x
    x = 173,451.19/682.44
  6. Step 6: Final answer
    x = 254.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.