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Finding the Fourth Proportional to 248.89, 342.23 and 241.20

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Solution

The fourth proportional to 248.89, 342.23 and 241.20 is: 331.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.89 : 342.23 = 241.20 : x
  2. Step 2: Convert to fraction form
    248.89/342.23 = 241.20/x
  3. Step 3: Cross multiply
    248.89x = 342.23 × 241.20
  4. Step 4: Simplify right side
    248.89x = 82,544.99
  5. Step 5: Solve for x
    x = 82,544.99/248.89
  6. Step 6: Final answer
    x = 331.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.