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Finding the Fourth Proportional to 657.81, 902.97 and 582.48

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Solution

The fourth proportional to 657.81, 902.97 and 582.48 is: 799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    657.81 : 902.97 = 582.48 : x
  2. Step 2: Convert to fraction form
    657.81/902.97 = 582.48/x
  3. Step 3: Cross multiply
    657.81x = 902.97 × 582.48
  4. Step 4: Simplify right side
    657.81x = 525,961.97
  5. Step 5: Solve for x
    x = 525,961.97/657.81
  6. Step 6: Final answer
    x = 799.57

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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.