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Finding the Fourth Proportional to 252.77, 377.30 and 236.75

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Solution

The fourth proportional to 252.77, 377.30 and 236.75 is: 353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.77 : 377.30 = 236.75 : x
  2. Step 2: Convert to fraction form
    252.77/377.30 = 236.75/x
  3. Step 3: Cross multiply
    252.77x = 377.30 × 236.75
  4. Step 4: Simplify right side
    252.77x = 89,324.48
  5. Step 5: Solve for x
    x = 89,324.48/252.77
  6. Step 6: Final answer
    x = 353.39

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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.