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Finding the Fourth Proportional to 182.08, 250.62 and 138.34

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Solution

The fourth proportional to 182.08, 250.62 and 138.34 is: 190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.08 : 250.62 = 138.34 : x
  2. Step 2: Convert to fraction form
    182.08/250.62 = 138.34/x
  3. Step 3: Cross multiply
    182.08x = 250.62 × 138.34
  4. Step 4: Simplify right side
    182.08x = 34,670.77
  5. Step 5: Solve for x
    x = 34,670.77/182.08
  6. Step 6: Final answer
    x = 190.42

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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.