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Finding the Fourth Proportional to 241.63, 333.44 and 154.33

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Solution

The fourth proportional to 241.63, 333.44 and 154.33 is: 212.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.63 : 333.44 = 154.33 : x
  2. Step 2: Convert to fraction form
    241.63/333.44 = 154.33/x
  3. Step 3: Cross multiply
    241.63x = 333.44 × 154.33
  4. Step 4: Simplify right side
    241.63x = 51,459.80
  5. Step 5: Solve for x
    x = 51,459.80/241.63
  6. Step 6: Final answer
    x = 212.97

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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.