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Finding the Fourth Proportional to 609.27, 833.54 and 606.66

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Solution

The fourth proportional to 609.27, 833.54 and 606.66 is: 829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.27 : 833.54 = 606.66 : x
  2. Step 2: Convert to fraction form
    609.27/833.54 = 606.66/x
  3. Step 3: Cross multiply
    609.27x = 833.54 × 606.66
  4. Step 4: Simplify right side
    609.27x = 505,675.38
  5. Step 5: Solve for x
    x = 505,675.38/609.27
  6. Step 6: Final answer
    x = 829.97

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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.