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Finding the Fourth Proportional to 339.26, 468.95 and 241.65

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Solution

The fourth proportional to 339.26, 468.95 and 241.65 is: 334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.26 : 468.95 = 241.65 : x
  2. Step 2: Convert to fraction form
    339.26/468.95 = 241.65/x
  3. Step 3: Cross multiply
    339.26x = 468.95 × 241.65
  4. Step 4: Simplify right side
    339.26x = 113,320.56
  5. Step 5: Solve for x
    x = 113,320.56/339.26
  6. Step 6: Final answer
    x = 334.03

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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.