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Finding the Fourth Proportional to 573.55, 791.63 and 377.08

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Solution

The fourth proportional to 573.55, 791.63 and 377.08 is: 520.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.55 : 791.63 = 377.08 : x
  2. Step 2: Convert to fraction form
    573.55/791.63 = 377.08/x
  3. Step 3: Cross multiply
    573.55x = 791.63 × 377.08
  4. Step 4: Simplify right side
    573.55x = 298,505.96
  5. Step 5: Solve for x
    x = 298,505.96/573.55
  6. Step 6: Final answer
    x = 520.45

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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.