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Finding the Fourth Proportional to 608.27, 832.17 and 605.66

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Solution

The fourth proportional to 608.27, 832.17 and 605.66 is: 828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.27 : 832.17 = 605.66 : x
  2. Step 2: Convert to fraction form
    608.27/832.17 = 605.66/x
  3. Step 3: Cross multiply
    608.27x = 832.17 × 605.66
  4. Step 4: Simplify right side
    608.27x = 504,007.92
  5. Step 5: Solve for x
    x = 504,007.92/608.27
  6. Step 6: Final answer
    x = 828.60

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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.