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Finding the Fourth Proportional to 599.34, 826.74 and 389.46

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Solution

The fourth proportional to 599.34, 826.74 and 389.46 is: 537.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.34 : 826.74 = 389.46 : x
  2. Step 2: Convert to fraction form
    599.34/826.74 = 389.46/x
  3. Step 3: Cross multiply
    599.34x = 826.74 × 389.46
  4. Step 4: Simplify right side
    599.34x = 321,982.16
  5. Step 5: Solve for x
    x = 321,982.16/599.34
  6. Step 6: Final answer
    x = 537.23

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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.