Finding the Fourth Proportional to 207.08, 286.17 and 167.66
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Solution
The fourth proportional to 207.08, 286.17 and 167.66 is: 231.69
Step by Step Solution
- Step 1: Write the proportion equation
207.08 : 286.17 = 167.66 : x - Step 2: Convert to fraction form
207.08/286.17 = 167.66/x - Step 3: Cross multiply
207.08x = 286.17 × 167.66 - Step 4: Simplify right side
207.08x = 47,979.26 - Step 5: Solve for x
x = 47,979.26/207.08 - Step 6: Final answer
x = 231.69
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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.