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Finding the Fourth Proportional to 248.28, 369.84 and 239.37

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Solution

The fourth proportional to 248.28, 369.84 and 239.37 is: 356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.28 : 369.84 = 239.37 : x
  2. Step 2: Convert to fraction form
    248.28/369.84 = 239.37/x
  3. Step 3: Cross multiply
    248.28x = 369.84 × 239.37
  4. Step 4: Simplify right side
    248.28x = 88,528.60
  5. Step 5: Solve for x
    x = 88,528.60/248.28
  6. Step 6: Final answer
    x = 356.57

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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.