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Finding the Fourth Proportional to 599.73, 899.22 and 253.29

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Solution

The fourth proportional to 599.73, 899.22 and 253.29 is: 379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.73 : 899.22 = 253.29 : x
  2. Step 2: Convert to fraction form
    599.73/899.22 = 253.29/x
  3. Step 3: Cross multiply
    599.73x = 899.22 × 253.29
  4. Step 4: Simplify right side
    599.73x = 227,763.43
  5. Step 5: Solve for x
    x = 227,763.43/599.73
  6. Step 6: Final answer
    x = 379.78

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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.