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Finding the Fourth Proportional to 329.11, 493.52 and 175.00

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Solution

The fourth proportional to 329.11, 493.52 and 175.00 is: 262.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.11 : 493.52 = 175.00 : x
  2. Step 2: Convert to fraction form
    329.11/493.52 = 175.00/x
  3. Step 3: Cross multiply
    329.11x = 493.52 × 175.00
  4. Step 4: Simplify right side
    329.11x = 86,366.70
  5. Step 5: Solve for x
    x = 86,366.70/329.11
  6. Step 6: Final answer
    x = 262.43

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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.