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Finding the Fourth Proportional to 573.70, 791.53 and 325.01

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Solution

The fourth proportional to 573.70, 791.53 and 325.01 is: 448.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.70 : 791.53 = 325.01 : x
  2. Step 2: Convert to fraction form
    573.70/791.53 = 325.01/x
  3. Step 3: Cross multiply
    573.70x = 791.53 × 325.01
  4. Step 4: Simplify right side
    573.70x = 257,258.62
  5. Step 5: Solve for x
    x = 257,258.62/573.70
  6. Step 6: Final answer
    x = 448.42

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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.