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Finding the Fourth Proportional to 328.73, 492.41 and 184.14

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Solution

The fourth proportional to 328.73, 492.41 and 184.14 is: 275.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    328.73 : 492.41 = 184.14 : x
  2. Step 2: Convert to fraction form
    328.73/492.41 = 184.14/x
  3. Step 3: Cross multiply
    328.73x = 492.41 × 184.14
  4. Step 4: Simplify right side
    328.73x = 90,672.84
  5. Step 5: Solve for x
    x = 90,672.84/328.73
  6. Step 6: Final answer
    x = 275.83

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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.