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Finding the Fourth Proportional to 610.92, 837.93 and 565.56

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Solution

The fourth proportional to 610.92, 837.93 and 565.56 is: 775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.92 : 837.93 = 565.56 : x
  2. Step 2: Convert to fraction form
    610.92/837.93 = 565.56/x
  3. Step 3: Cross multiply
    610.92x = 837.93 × 565.56
  4. Step 4: Simplify right side
    610.92x = 473,899.69
  5. Step 5: Solve for x
    x = 473,899.69/610.92
  6. Step 6: Final answer
    x = 775.71

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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.