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Finding the Fourth Proportional to 492.38, 739.03 and 249.08

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Solution

The fourth proportional to 492.38, 739.03 and 249.08 is: 373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.38 : 739.03 = 249.08 : x
  2. Step 2: Convert to fraction form
    492.38/739.03 = 249.08/x
  3. Step 3: Cross multiply
    492.38x = 739.03 × 249.08
  4. Step 4: Simplify right side
    492.38x = 184,076.98
  5. Step 5: Solve for x
    x = 184,076.98/492.38
  6. Step 6: Final answer
    x = 373.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.