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Finding the Fourth Proportional to 252.38, 377.73 and 191.18

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Solution

The fourth proportional to 252.38, 377.73 and 191.18 is: 286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.38 : 377.73 = 191.18 : x
  2. Step 2: Convert to fraction form
    252.38/377.73 = 191.18/x
  3. Step 3: Cross multiply
    252.38x = 377.73 × 191.18
  4. Step 4: Simplify right side
    252.38x = 72,215.37
  5. Step 5: Solve for x
    x = 72,215.37/252.38
  6. Step 6: Final answer
    x = 286.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.