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Finding the Fourth Proportional to 571.29, 855.99 and 241.97

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Solution

The fourth proportional to 571.29, 855.99 and 241.97 is: 362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.29 : 855.99 = 241.97 : x
  2. Step 2: Convert to fraction form
    571.29/855.99 = 241.97/x
  3. Step 3: Cross multiply
    571.29x = 855.99 × 241.97
  4. Step 4: Simplify right side
    571.29x = 207,119.62
  5. Step 5: Solve for x
    x = 207,119.62/571.29
  6. Step 6: Final answer
    x = 362.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.