Finding the Fourth Proportional to 181.15, 249.99 and 98.26
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Solution
The fourth proportional to 181.15, 249.99 and 98.26 is: 135.60
Step by Step Solution
- Step 1: Write the proportion equation
181.15 : 249.99 = 98.26 : x - Step 2: Convert to fraction form
181.15/249.99 = 98.26/x - Step 3: Cross multiply
181.15x = 249.99 × 98.26 - Step 4: Simplify right side
181.15x = 24,564.43 - Step 5: Solve for x
x = 24,564.43/181.15 - Step 6: Final answer
x = 135.60
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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.