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Finding the Fourth Proportional to 573.39, 791.15 and 363.51

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Solution

The fourth proportional to 573.39, 791.15 and 363.51 is: 501.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.39 : 791.15 = 363.51 : x
  2. Step 2: Convert to fraction form
    573.39/791.15 = 363.51/x
  3. Step 3: Cross multiply
    573.39x = 791.15 × 363.51
  4. Step 4: Simplify right side
    573.39x = 287,589.12
  5. Step 5: Solve for x
    x = 287,589.12/573.39
  6. Step 6: Final answer
    x = 501.56

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Double scale
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1.5x scale

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.