Finding the Fourth Proportional to 286.44, 395.11 and 181.44
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Solution
The fourth proportional to 286.44, 395.11 and 181.44 is: 250.27
Step by Step Solution
- Step 1: Write the proportion equation
286.44 : 395.11 = 181.44 : x - Step 2: Convert to fraction form
286.44/395.11 = 181.44/x - Step 3: Cross multiply
286.44x = 395.11 × 181.44 - Step 4: Simplify right side
286.44x = 71,688.76 - Step 5: Solve for x
x = 71,688.76/286.44 - Step 6: Final answer
x = 250.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.