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Finding the Fourth Proportional to 272.92, 407.60 and 236.44

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Solution

The fourth proportional to 272.92, 407.60 and 236.44 is: 353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.92 : 407.60 = 236.44 : x
  2. Step 2: Convert to fraction form
    272.92/407.60 = 236.44/x
  3. Step 3: Cross multiply
    272.92x = 407.60 × 236.44
  4. Step 4: Simplify right side
    272.92x = 96,372.94
  5. Step 5: Solve for x
    x = 96,372.94/272.92
  6. Step 6: Final answer
    x = 353.12

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.