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Finding the Fourth Proportional to 182.29, 251.40 and 123.37

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Solution

The fourth proportional to 182.29, 251.40 and 123.37 is: 170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.29 : 251.40 = 123.37 : x
  2. Step 2: Convert to fraction form
    182.29/251.40 = 123.37/x
  3. Step 3: Cross multiply
    182.29x = 251.40 × 123.37
  4. Step 4: Simplify right side
    182.29x = 31,015.22
  5. Step 5: Solve for x
    x = 31,015.22/182.29
  6. Step 6: Final answer
    x = 170.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.