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Finding the Fourth Proportional to 599.31, 893.08 and 579.73

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Solution

The fourth proportional to 599.31, 893.08 and 579.73 is: 863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.31 : 893.08 = 579.73 : x
  2. Step 2: Convert to fraction form
    599.31/893.08 = 579.73/x
  3. Step 3: Cross multiply
    599.31x = 893.08 × 579.73
  4. Step 4: Simplify right side
    599.31x = 517,742.37
  5. Step 5: Solve for x
    x = 517,742.37/599.31
  6. Step 6: Final answer
    x = 863.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.