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Finding the Fourth Proportional to 573.09, 791.24 and 376.93

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Solution

The fourth proportional to 573.09, 791.24 and 376.93 is: 520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.09 : 791.24 = 376.93 : x
  2. Step 2: Convert to fraction form
    573.09/791.24 = 376.93/x
  3. Step 3: Cross multiply
    573.09x = 791.24 × 376.93
  4. Step 4: Simplify right side
    573.09x = 298,242.09
  5. Step 5: Solve for x
    x = 298,242.09/573.09
  6. Step 6: Final answer
    x = 520.41

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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.