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Finding the Fourth Proportional to 241.31, 333.18 and 154.10

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Solution

The fourth proportional to 241.31, 333.18 and 154.10 is: 212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.31 : 333.18 = 154.10 : x
  2. Step 2: Convert to fraction form
    241.31/333.18 = 154.10/x
  3. Step 3: Cross multiply
    241.31x = 333.18 × 154.10
  4. Step 4: Simplify right side
    241.31x = 51,342.27
  5. Step 5: Solve for x
    x = 51,342.27/241.31
  6. Step 6: Final answer
    x = 212.76

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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.