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Finding the Fourth Proportional to 241.43, 333.10 and 154.13

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Solution

The fourth proportional to 241.43, 333.10 and 154.13 is: 212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.43 : 333.10 = 154.13 : x
  2. Step 2: Convert to fraction form
    241.43/333.10 = 154.13/x
  3. Step 3: Cross multiply
    241.43x = 333.10 × 154.13
  4. Step 4: Simplify right side
    241.43x = 51,339.93
  5. Step 5: Solve for x
    x = 51,339.93/241.43
  6. Step 6: Final answer
    x = 212.65

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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.