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Finding the Fourth Proportional to 182.64, 272.20 and 181.13

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Solution

The fourth proportional to 182.64, 272.20 and 181.13 is: 269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.64 : 272.20 = 181.13 : x
  2. Step 2: Convert to fraction form
    182.64/272.20 = 181.13/x
  3. Step 3: Cross multiply
    182.64x = 272.20 × 181.13
  4. Step 4: Simplify right side
    182.64x = 49,303.59
  5. Step 5: Solve for x
    x = 49,303.59/182.64
  6. Step 6: Final answer
    x = 269.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.