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Finding the Fourth Proportional to 573.73, 791.68 and 325.00

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Solution

The fourth proportional to 573.73, 791.68 and 325.00 is: 448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.73 : 791.68 = 325.00 : x
  2. Step 2: Convert to fraction form
    573.73/791.68 = 325.00/x
  3. Step 3: Cross multiply
    573.73x = 791.68 × 325.00
  4. Step 4: Simplify right side
    573.73x = 257,294.45
  5. Step 5: Solve for x
    x = 257,294.45/573.73
  6. Step 6: Final answer
    x = 448.46

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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.