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Finding the Fourth Proportional to 371.07, 559.60 and 335.97

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Solution

The fourth proportional to 371.07, 559.60 and 335.97 is: 506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.07 : 559.60 = 335.97 : x
  2. Step 2: Convert to fraction form
    371.07/559.60 = 335.97/x
  3. Step 3: Cross multiply
    371.07x = 559.60 × 335.97
  4. Step 4: Simplify right side
    371.07x = 188,007.97
  5. Step 5: Solve for x
    x = 188,007.97/371.07
  6. Step 6: Final answer
    x = 506.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.