Finding the Fourth Proportional to 180.92, 249.64 and 110.99
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Solution
The fourth proportional to 180.92, 249.64 and 110.99 is: 153.15
Step by Step Solution
- Step 1: Write the proportion equation
180.92 : 249.64 = 110.99 : x - Step 2: Convert to fraction form
180.92/249.64 = 110.99/x - Step 3: Cross multiply
180.92x = 249.64 × 110.99 - Step 4: Simplify right side
180.92x = 27,707.54 - Step 5: Solve for x
x = 27,707.54/180.92 - Step 6: Final answer
x = 153.15
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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.