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Finding the Fourth Proportional to 272.83, 408.28 and 200.51

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Solution

The fourth proportional to 272.83, 408.28 and 200.51 is: 300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.83 : 408.28 = 200.51 : x
  2. Step 2: Convert to fraction form
    272.83/408.28 = 200.51/x
  3. Step 3: Cross multiply
    272.83x = 408.28 × 200.51
  4. Step 4: Simplify right side
    272.83x = 81,864.22
  5. Step 5: Solve for x
    x = 81,864.22/272.83
  6. Step 6: Final answer
    x = 300.06

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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.