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Finding the Fourth Proportional to 248.78, 371.07 and 241.08

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Solution

The fourth proportional to 248.78, 371.07 and 241.08 is: 359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.78 : 371.07 = 241.08 : x
  2. Step 2: Convert to fraction form
    248.78/371.07 = 241.08/x
  3. Step 3: Cross multiply
    248.78x = 371.07 × 241.08
  4. Step 4: Simplify right side
    248.78x = 89,457.56
  5. Step 5: Solve for x
    x = 89,457.56/248.78
  6. Step 6: Final answer
    x = 359.59

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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.