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Finding the Fourth Proportional to 339.69, 467.55 and 241.28

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Solution

The fourth proportional to 339.69, 467.55 and 241.28 is: 332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.69 : 467.55 = 241.28 : x
  2. Step 2: Convert to fraction form
    339.69/467.55 = 241.28/x
  3. Step 3: Cross multiply
    339.69x = 467.55 × 241.28
  4. Step 4: Simplify right side
    339.69x = 112,808.13
  5. Step 5: Solve for x
    x = 112,808.13/339.69
  6. Step 6: Final answer
    x = 332.09

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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.