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Finding the Fourth Proportional to 203.28, 304.51 and 166.83

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Solution

The fourth proportional to 203.28, 304.51 and 166.83 is: 249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.28 : 304.51 = 166.83 : x
  2. Step 2: Convert to fraction form
    203.28/304.51 = 166.83/x
  3. Step 3: Cross multiply
    203.28x = 304.51 × 166.83
  4. Step 4: Simplify right side
    203.28x = 50,801.40
  5. Step 5: Solve for x
    x = 50,801.40/203.28
  6. Step 6: Final answer
    x = 249.91

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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.