Finding the Fourth Proportional to 286.26, 395.91 and 246.96
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Solution
The fourth proportional to 286.26, 395.91 and 246.96 is: 341.56
Step by Step Solution
- Step 1: Write the proportion equation
286.26 : 395.91 = 246.96 : x - Step 2: Convert to fraction form
286.26/395.91 = 246.96/x - Step 3: Cross multiply
286.26x = 395.91 × 246.96 - Step 4: Simplify right side
286.26x = 97,773.93 - Step 5: Solve for x
x = 97,773.93/286.26 - Step 6: Final answer
x = 341.56
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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.