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Finding the Fourth Proportional to 194.00, 268.92 and 181.58

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Solution

The fourth proportional to 194.00, 268.92 and 181.58 is: 251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.00 : 268.92 = 181.58 : x
  2. Step 2: Convert to fraction form
    194.00/268.92 = 181.58/x
  3. Step 3: Cross multiply
    194.00x = 268.92 × 181.58
  4. Step 4: Simplify right side
    194.00x = 48,829.15
  5. Step 5: Solve for x
    x = 48,829.15/194.00
  6. Step 6: Final answer
    x = 251.70

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.