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Finding the Fourth Proportional to 573.37, 791.49 and 377.20

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Solution

The fourth proportional to 573.37, 791.49 and 377.20 is: 520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.37 : 791.49 = 377.20 : x
  2. Step 2: Convert to fraction form
    573.37/791.49 = 377.20/x
  3. Step 3: Cross multiply
    573.37x = 791.49 × 377.20
  4. Step 4: Simplify right side
    573.37x = 298,550.03
  5. Step 5: Solve for x
    x = 298,550.03/573.37
  6. Step 6: Final answer
    x = 520.69

Related Problems

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Double scale
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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.