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Finding the Fourth Proportional to 339.72, 468.50 and 241.80

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Solution

The fourth proportional to 339.72, 468.50 and 241.80 is: 333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.72 : 468.50 = 241.80 : x
  2. Step 2: Convert to fraction form
    339.72/468.50 = 241.80/x
  3. Step 3: Cross multiply
    339.72x = 468.50 × 241.80
  4. Step 4: Simplify right side
    339.72x = 113,282.09
  5. Step 5: Solve for x
    x = 113,282.09/339.72
  6. Step 6: Final answer
    x = 333.46

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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.