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Finding the Fourth Proportional to 599.00, 825.86 and 388.87

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Solution

The fourth proportional to 599.00, 825.86 and 388.87 is: 536.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.00 : 825.86 = 388.87 : x
  2. Step 2: Convert to fraction form
    599.00/825.86 = 388.87/x
  3. Step 3: Cross multiply
    599.00x = 825.86 × 388.87
  4. Step 4: Simplify right side
    599.00x = 321,151.09
  5. Step 5: Solve for x
    x = 321,151.09/599.00
  6. Step 6: Final answer
    x = 536.15

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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.