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Finding the Fourth Proportional to 241.62, 333.38 and 154.32

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Solution

The fourth proportional to 241.62, 333.38 and 154.32 is: 212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.62 : 333.38 = 154.32 : x
  2. Step 2: Convert to fraction form
    241.62/333.38 = 154.32/x
  3. Step 3: Cross multiply
    241.62x = 333.38 × 154.32
  4. Step 4: Simplify right side
    241.62x = 51,449.13
  5. Step 5: Solve for x
    x = 51,449.13/241.62
  6. Step 6: Final answer
    x = 212.93

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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.