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Finding the Fourth Proportional to 203.32, 279.93 and 182.80

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Solution

The fourth proportional to 203.32, 279.93 and 182.80 is: 251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.32 : 279.93 = 182.80 : x
  2. Step 2: Convert to fraction form
    203.32/279.93 = 182.80/x
  3. Step 3: Cross multiply
    203.32x = 279.93 × 182.80
  4. Step 4: Simplify right side
    203.32x = 51,171.20
  5. Step 5: Solve for x
    x = 51,171.20/203.32
  6. Step 6: Final answer
    x = 251.68

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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.