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Finding the Fourth Proportional to 329.30, 493.60 and 182.89

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Solution

The fourth proportional to 329.30, 493.60 and 182.89 is: 274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.30 : 493.60 = 182.89 : x
  2. Step 2: Convert to fraction form
    329.30/493.60 = 182.89/x
  3. Step 3: Cross multiply
    329.30x = 493.60 × 182.89
  4. Step 4: Simplify right side
    329.30x = 90,274.50
  5. Step 5: Solve for x
    x = 90,274.50/329.30
  6. Step 6: Final answer
    x = 274.14

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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.