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Finding the Fourth Proportional to 182.30, 272.84 and 149.90

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Solution

The fourth proportional to 182.30, 272.84 and 149.90 is: 224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.30 : 272.84 = 149.90 : x
  2. Step 2: Convert to fraction form
    182.30/272.84 = 149.90/x
  3. Step 3: Cross multiply
    182.30x = 272.84 × 149.90
  4. Step 4: Simplify right side
    182.30x = 40,896.60
  5. Step 5: Solve for x
    x = 40,896.60/182.30
  6. Step 6: Final answer
    x = 224.34

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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.