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Finding the Fourth Proportional to 599.30, 826.79 and 481.58

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Solution

The fourth proportional to 599.30, 826.79 and 481.58 is: 664.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.30 : 826.79 = 481.58 : x
  2. Step 2: Convert to fraction form
    599.30/826.79 = 481.58/x
  3. Step 3: Cross multiply
    599.30x = 826.79 × 481.58
  4. Step 4: Simplify right side
    599.30x = 398,158.99
  5. Step 5: Solve for x
    x = 398,158.99/599.30
  6. Step 6: Final answer
    x = 664.38

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1.5x scale

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.