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Finding the Fourth Proportional to 326.02, 449.83 and 195

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Solution

The fourth proportional to 326.02, 449.83 and 195 is: 269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.02 : 449.83 = 195 : x
  2. Step 2: Convert to fraction form
    326.02/449.83 = 195/x
  3. Step 3: Cross multiply
    326.02x = 449.83 × 195
  4. Step 4: Simplify right side
    326.02x = 87,716.85
  5. Step 5: Solve for x
    x = 87,716.85/326.02
  6. Step 6: Final answer
    x = 269.05

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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.