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Finding the Fourth Proportional to 679.44, 935.46 and 599.58

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Solution

The fourth proportional to 679.44, 935.46 and 599.58 is: 825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    679.44 : 935.46 = 599.58 : x
  2. Step 2: Convert to fraction form
    679.44/935.46 = 599.58/x
  3. Step 3: Cross multiply
    679.44x = 935.46 × 599.58
  4. Step 4: Simplify right side
    679.44x = 560,883.11
  5. Step 5: Solve for x
    x = 560,883.11/679.44
  6. Step 6: Final answer
    x = 825.51

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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.