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Finding the Fourth Proportional to 251.00, 377.89 and 196.45

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Solution

The fourth proportional to 251.00, 377.89 and 196.45 is: 295.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.00 : 377.89 = 196.45 : x
  2. Step 2: Convert to fraction form
    251.00/377.89 = 196.45/x
  3. Step 3: Cross multiply
    251.00x = 377.89 × 196.45
  4. Step 4: Simplify right side
    251.00x = 74,235.05
  5. Step 5: Solve for x
    x = 74,235.05/251.00
  6. Step 6: Final answer
    x = 295.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.