Finding the Fourth Proportional to 186.36, 279.36 and 94.95
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Solution
The fourth proportional to 186.36, 279.36 and 94.95 is: 142.33
Step by Step Solution
- Step 1: Write the proportion equation
186.36 : 279.36 = 94.95 : x - Step 2: Convert to fraction form
186.36/279.36 = 94.95/x - Step 3: Cross multiply
186.36x = 279.36 × 94.95 - Step 4: Simplify right side
186.36x = 26,525.23 - Step 5: Solve for x
x = 26,525.23/186.36 - Step 6: Final answer
x = 142.33
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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.