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Finding the Fourth Proportional to 251, 374.03 and 243.96

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Solution

The fourth proportional to 251, 374.03 and 243.96 is: 363.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251 : 374.03 = 243.96 : x
  2. Step 2: Convert to fraction form
    251/374.03 = 243.96/x
  3. Step 3: Cross multiply
    251x = 374.03 × 243.96
  4. Step 4: Simplify right side
    251x = 91,248.36
  5. Step 5: Solve for x
    x = 91,248.36/251
  6. Step 6: Final answer
    x = 363.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.