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Finding the Fourth Proportional to 822.70, 1,232.07 and 599.73

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Solution

The fourth proportional to 822.70, 1,232.07 and 599.73 is: 898.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    822.70 : 1,232.07 = 599.73 : x
  2. Step 2: Convert to fraction form
    822.70/1,232.07 = 599.73/x
  3. Step 3: Cross multiply
    822.70x = 1,232.07 × 599.73
  4. Step 4: Simplify right side
    822.70x = 738,916.21
  5. Step 5: Solve for x
    x = 738,916.21/822.70
  6. Step 6: Final answer
    x = 898.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.