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Finding the Fourth Proportional to 167.06, 230.40 and 127.73

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Solution

The fourth proportional to 167.06, 230.40 and 127.73 is: 176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.06 : 230.40 = 127.73 : x
  2. Step 2: Convert to fraction form
    167.06/230.40 = 127.73/x
  3. Step 3: Cross multiply
    167.06x = 230.40 × 127.73
  4. Step 4: Simplify right side
    167.06x = 29,427.84
  5. Step 5: Solve for x
    x = 29,427.84/167.06
  6. Step 6: Final answer
    x = 176.16

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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.