Finding the Fourth Proportional to 186.26, 279.23 and 94.91
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Solution
The fourth proportional to 186.26, 279.23 and 94.91 is: 142.28
Step by Step Solution
- Step 1: Write the proportion equation
186.26 : 279.23 = 94.91 : x - Step 2: Convert to fraction form
186.26/279.23 = 94.91/x - Step 3: Cross multiply
186.26x = 279.23 × 94.91 - Step 4: Simplify right side
186.26x = 26,501.24 - Step 5: Solve for x
x = 26,501.24/186.26 - Step 6: Final answer
x = 142.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.