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Finding the Fourth Proportional to 241.95, 336.14 and 239.70

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Solution

The fourth proportional to 241.95, 336.14 and 239.70 is: 333.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.95 : 336.14 = 239.70 : x
  2. Step 2: Convert to fraction form
    241.95/336.14 = 239.70/x
  3. Step 3: Cross multiply
    241.95x = 336.14 × 239.70
  4. Step 4: Simplify right side
    241.95x = 80,571.56
  5. Step 5: Solve for x
    x = 80,571.56/241.95
  6. Step 6: Final answer
    x = 333.01

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.