Finding the Fourth Proportional to 286.17, 394.99 and 181.32
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Solution
The fourth proportional to 286.17, 394.99 and 181.32 is: 250.27
Step by Step Solution
- Step 1: Write the proportion equation
286.17 : 394.99 = 181.32 : x - Step 2: Convert to fraction form
286.17/394.99 = 181.32/x - Step 3: Cross multiply
286.17x = 394.99 × 181.32 - Step 4: Simplify right side
286.17x = 71,619.13 - Step 5: Solve for x
x = 71,619.13/286.17 - Step 6: Final answer
x = 250.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.