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Finding the Fourth Proportional to 182.39, 272.06 and 162.95

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Solution

The fourth proportional to 182.39, 272.06 and 162.95 is: 243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.39 : 272.06 = 162.95 : x
  2. Step 2: Convert to fraction form
    182.39/272.06 = 162.95/x
  3. Step 3: Cross multiply
    182.39x = 272.06 × 162.95
  4. Step 4: Simplify right side
    182.39x = 44,333.26
  5. Step 5: Solve for x
    x = 44,333.26/182.39
  6. Step 6: Final answer
    x = 243.07

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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.