Finding the Fourth Proportional to 181.60, 272.36 and 108.43
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Solution
The fourth proportional to 181.60, 272.36 and 108.43 is: 162.62
Step by Step Solution
- Step 1: Write the proportion equation
181.60 : 272.36 = 108.43 : x - Step 2: Convert to fraction form
181.60/272.36 = 108.43/x - Step 3: Cross multiply
181.60x = 272.36 × 108.43 - Step 4: Simplify right side
181.60x = 29,531.99 - Step 5: Solve for x
x = 29,531.99/181.60 - Step 6: Final answer
x = 162.62
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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.