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Finding the Fourth Proportional to 599.89, 899.94 and 275.29

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Solution

The fourth proportional to 599.89, 899.94 and 275.29 is: 412.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.89 : 899.94 = 275.29 : x
  2. Step 2: Convert to fraction form
    599.89/899.94 = 275.29/x
  3. Step 3: Cross multiply
    599.89x = 899.94 × 275.29
  4. Step 4: Simplify right side
    599.89x = 247,747.76
  5. Step 5: Solve for x
    x = 247,747.76/599.89
  6. Step 6: Final answer
    x = 412.99

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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.