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Finding the Fourth Proportional to 325.68, 449.36 and 194.74

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Solution

The fourth proportional to 325.68, 449.36 and 194.74 is: 268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.68 : 449.36 = 194.74 : x
  2. Step 2: Convert to fraction form
    325.68/449.36 = 194.74/x
  3. Step 3: Cross multiply
    325.68x = 449.36 × 194.74
  4. Step 4: Simplify right side
    325.68x = 87,508.37
  5. Step 5: Solve for x
    x = 87,508.37/325.68
  6. Step 6: Final answer
    x = 268.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.