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Finding the Fourth Proportional to 610.29, 836.55 and 602.09

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Solution

The fourth proportional to 610.29, 836.55 and 602.09 is: 825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.29 : 836.55 = 602.09 : x
  2. Step 2: Convert to fraction form
    610.29/836.55 = 602.09/x
  3. Step 3: Cross multiply
    610.29x = 836.55 × 602.09
  4. Step 4: Simplify right side
    610.29x = 503,678.39
  5. Step 5: Solve for x
    x = 503,678.39/610.29
  6. Step 6: Final answer
    x = 825.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.