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Finding the Fourth Proportional to 241.30, 333.10 and 158.48

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Solution

The fourth proportional to 241.30, 333.10 and 158.48 is: 218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.30 : 333.10 = 158.48 : x
  2. Step 2: Convert to fraction form
    241.30/333.10 = 158.48/x
  3. Step 3: Cross multiply
    241.30x = 333.10 × 158.48
  4. Step 4: Simplify right side
    241.30x = 52,789.69
  5. Step 5: Solve for x
    x = 52,789.69/241.30
  6. Step 6: Final answer
    x = 218.77

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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.