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Finding the Fourth Proportional to 327.84, 452.41 and 195.15

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Solution

The fourth proportional to 327.84, 452.41 and 195.15 is: 269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.84 : 452.41 = 195.15 : x
  2. Step 2: Convert to fraction form
    327.84/452.41 = 195.15/x
  3. Step 3: Cross multiply
    327.84x = 452.41 × 195.15
  4. Step 4: Simplify right side
    327.84x = 88,287.81
  5. Step 5: Solve for x
    x = 88,287.81/327.84
  6. Step 6: Final answer
    x = 269.30

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Why These Related Problems?

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