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Finding the Fourth Proportional to 122.32, 182.30 and 122.14

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Solution

The fourth proportional to 122.32, 182.30 and 122.14 is: 182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.32 : 182.30 = 122.14 : x
  2. Step 2: Convert to fraction form
    122.32/182.30 = 122.14/x
  3. Step 3: Cross multiply
    122.32x = 182.30 × 122.14
  4. Step 4: Simplify right side
    122.32x = 22,266.12
  5. Step 5: Solve for x
    x = 22,266.12/122.32
  6. Step 6: Final answer
    x = 182.03

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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.