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Finding the Fourth Proportional to 182.70, 272.38 and 169.16

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Solution

The fourth proportional to 182.70, 272.38 and 169.16 is: 252.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.70 : 272.38 = 169.16 : x
  2. Step 2: Convert to fraction form
    182.70/272.38 = 169.16/x
  3. Step 3: Cross multiply
    182.70x = 272.38 × 169.16
  4. Step 4: Simplify right side
    182.70x = 46,075.80
  5. Step 5: Solve for x
    x = 46,075.80/182.70
  6. Step 6: Final answer
    x = 252.19

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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.