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Finding the Fourth Proportional to 183, 252.38 and 117.38

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Solution

The fourth proportional to 183, 252.38 and 117.38 is: 161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    183 : 252.38 = 117.38 : x
  2. Step 2: Convert to fraction form
    183/252.38 = 117.38/x
  3. Step 3: Cross multiply
    183x = 252.38 × 117.38
  4. Step 4: Simplify right side
    183x = 29,624.36
  5. Step 5: Solve for x
    x = 29,624.36/183
  6. Step 6: Final answer
    x = 161.88

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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.