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Finding the Fourth Proportional to 249.23, 371.96 and 228.57

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Solution

The fourth proportional to 249.23, 371.96 and 228.57 is: 341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.23 : 371.96 = 228.57 : x
  2. Step 2: Convert to fraction form
    249.23/371.96 = 228.57/x
  3. Step 3: Cross multiply
    249.23x = 371.96 × 228.57
  4. Step 4: Simplify right side
    249.23x = 85,018.90
  5. Step 5: Solve for x
    x = 85,018.90/249.23
  6. Step 6: Final answer
    x = 341.13

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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.