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Finding the Fourth Proportional to 573.54, 791.52 and 480.12

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Solution

The fourth proportional to 573.54, 791.52 and 480.12 is: 662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.54 : 791.52 = 480.12 : x
  2. Step 2: Convert to fraction form
    573.54/791.52 = 480.12/x
  3. Step 3: Cross multiply
    573.54x = 791.52 × 480.12
  4. Step 4: Simplify right side
    573.54x = 380,024.58
  5. Step 5: Solve for x
    x = 380,024.58/573.54
  6. Step 6: Final answer
    x = 662.59

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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.