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Finding the Fourth Proportional to 273.17, 411.39 and 239.33

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Solution

The fourth proportional to 273.17, 411.39 and 239.33 is: 360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.17 : 411.39 = 239.33 : x
  2. Step 2: Convert to fraction form
    273.17/411.39 = 239.33/x
  3. Step 3: Cross multiply
    273.17x = 411.39 × 239.33
  4. Step 4: Simplify right side
    273.17x = 98,459.00
  5. Step 5: Solve for x
    x = 98,459.00/273.17
  6. Step 6: Final answer
    x = 360.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.