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Finding the Fourth Proportional to 599.34, 898.68 and 209.31

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Solution

The fourth proportional to 599.34, 898.68 and 209.31 is: 313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.34 : 898.68 = 209.31 : x
  2. Step 2: Convert to fraction form
    599.34/898.68 = 209.31/x
  3. Step 3: Cross multiply
    599.34x = 898.68 × 209.31
  4. Step 4: Simplify right side
    599.34x = 188,102.71
  5. Step 5: Solve for x
    x = 188,102.71/599.34
  6. Step 6: Final answer
    x = 313.85

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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.