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Finding the Fourth Proportional to 248.34, 340.71 and 241.95

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Solution

The fourth proportional to 248.34, 340.71 and 241.95 is: 331.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.34 : 340.71 = 241.95 : x
  2. Step 2: Convert to fraction form
    248.34/340.71 = 241.95/x
  3. Step 3: Cross multiply
    248.34x = 340.71 × 241.95
  4. Step 4: Simplify right side
    248.34x = 82,434.78
  5. Step 5: Solve for x
    x = 82,434.78/248.34
  6. Step 6: Final answer
    x = 331.94

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.