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Finding the Fourth Proportional to 599.62, 899.06 and 209.48

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Solution

The fourth proportional to 599.62, 899.06 and 209.48 is: 314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.62 : 899.06 = 209.48 : x
  2. Step 2: Convert to fraction form
    599.62/899.06 = 209.48/x
  3. Step 3: Cross multiply
    599.62x = 899.06 × 209.48
  4. Step 4: Simplify right side
    599.62x = 188,335.09
  5. Step 5: Solve for x
    x = 188,335.09/599.62
  6. Step 6: Final answer
    x = 314.09

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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.