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Finding the Fourth Proportional to 272.73, 409.02 and 170.07

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Solution

The fourth proportional to 272.73, 409.02 and 170.07 is: 255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.73 : 409.02 = 170.07 : x
  2. Step 2: Convert to fraction form
    272.73/409.02 = 170.07/x
  3. Step 3: Cross multiply
    272.73x = 409.02 × 170.07
  4. Step 4: Simplify right side
    272.73x = 69,562.03
  5. Step 5: Solve for x
    x = 69,562.03/272.73
  6. Step 6: Final answer
    x = 255.06

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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.