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Finding the Fourth Proportional to 329.13, 492.67 and 246.38

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Solution

The fourth proportional to 329.13, 492.67 and 246.38 is: 368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.13 : 492.67 = 246.38 : x
  2. Step 2: Convert to fraction form
    329.13/492.67 = 246.38/x
  3. Step 3: Cross multiply
    329.13x = 492.67 × 246.38
  4. Step 4: Simplify right side
    329.13x = 121,381.88
  5. Step 5: Solve for x
    x = 121,381.88/329.13
  6. Step 6: Final answer
    x = 368.80

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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.