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Finding the Fourth Proportional to 449.09, 673.43 and 175.17

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Solution

The fourth proportional to 449.09, 673.43 and 175.17 is: 262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.09 : 673.43 = 175.17 : x
  2. Step 2: Convert to fraction form
    449.09/673.43 = 175.17/x
  3. Step 3: Cross multiply
    449.09x = 673.43 × 175.17
  4. Step 4: Simplify right side
    449.09x = 117,964.73
  5. Step 5: Solve for x
    x = 117,964.73/449.09
  6. Step 6: Final answer
    x = 262.68

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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.