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Finding the Fourth Proportional to 611.69, 843.93 and 363.02

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Solution

The fourth proportional to 611.69, 843.93 and 363.02 is: 500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.69 : 843.93 = 363.02 : x
  2. Step 2: Convert to fraction form
    611.69/843.93 = 363.02/x
  3. Step 3: Cross multiply
    611.69x = 843.93 × 363.02
  4. Step 4: Simplify right side
    611.69x = 306,359.25
  5. Step 5: Solve for x
    x = 306,359.25/611.69
  6. Step 6: Final answer
    x = 500.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.