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Finding the Fourth Proportional to 241.62, 333.26 and 154.34

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Solution

The fourth proportional to 241.62, 333.26 and 154.34 is: 212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.62 : 333.26 = 154.34 : x
  2. Step 2: Convert to fraction form
    241.62/333.26 = 154.34/x
  3. Step 3: Cross multiply
    241.62x = 333.26 × 154.34
  4. Step 4: Simplify right side
    241.62x = 51,435.35
  5. Step 5: Solve for x
    x = 51,435.35/241.62
  6. Step 6: Final answer
    x = 212.88

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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.