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Finding the Fourth Proportional to 599.08, 898.09 and 208.81

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Solution

The fourth proportional to 599.08, 898.09 and 208.81 is: 313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.08 : 898.09 = 208.81 : x
  2. Step 2: Convert to fraction form
    599.08/898.09 = 208.81/x
  3. Step 3: Cross multiply
    599.08x = 898.09 × 208.81
  4. Step 4: Simplify right side
    599.08x = 187,530.17
  5. Step 5: Solve for x
    x = 187,530.17/599.08
  6. Step 6: Final answer
    x = 313.03

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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.