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Finding the Fourth Proportional to 611.06, 843.27 and 335.06

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Solution

The fourth proportional to 611.06, 843.27 and 335.06 is: 462.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.06 : 843.27 = 335.06 : x
  2. Step 2: Convert to fraction form
    611.06/843.27 = 335.06/x
  3. Step 3: Cross multiply
    611.06x = 843.27 × 335.06
  4. Step 4: Simplify right side
    611.06x = 282,546.05
  5. Step 5: Solve for x
    x = 282,546.05/611.06
  6. Step 6: Final answer
    x = 462.39

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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.