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Finding the Fourth Proportional to 241.32, 359.84 and 212.54

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Solution

The fourth proportional to 241.32, 359.84 and 212.54 is: 316.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.32 : 359.84 = 212.54 : x
  2. Step 2: Convert to fraction form
    241.32/359.84 = 212.54/x
  3. Step 3: Cross multiply
    241.32x = 359.84 × 212.54
  4. Step 4: Simplify right side
    241.32x = 76,480.39
  5. Step 5: Solve for x
    x = 76,480.39/241.32
  6. Step 6: Final answer
    x = 316.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.