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Finding the Fourth Proportional to 599.08, 826.32 and 389.56

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Solution

The fourth proportional to 599.08, 826.32 and 389.56 is: 537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.08 : 826.32 = 389.56 : x
  2. Step 2: Convert to fraction form
    599.08/826.32 = 389.56/x
  3. Step 3: Cross multiply
    599.08x = 826.32 × 389.56
  4. Step 4: Simplify right side
    599.08x = 321,901.22
  5. Step 5: Solve for x
    x = 321,901.22/599.08
  6. Step 6: Final answer
    x = 537.33

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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.