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Finding the Fourth Proportional to 599.12, 825.90 and 377.90

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Solution

The fourth proportional to 599.12, 825.90 and 377.90 is: 520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.12 : 825.90 = 377.90 : x
  2. Step 2: Convert to fraction form
    599.12/825.90 = 377.90/x
  3. Step 3: Cross multiply
    599.12x = 825.90 × 377.90
  4. Step 4: Simplify right side
    599.12x = 312,107.61
  5. Step 5: Solve for x
    x = 312,107.61/599.12
  6. Step 6: Final answer
    x = 520.94

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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.