Finding the Fourth Proportional to 181.36, 250.26 and 102.68
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Solution
The fourth proportional to 181.36, 250.26 and 102.68 is: 141.69
Step by Step Solution
- Step 1: Write the proportion equation
181.36 : 250.26 = 102.68 : x - Step 2: Convert to fraction form
181.36/250.26 = 102.68/x - Step 3: Cross multiply
181.36x = 250.26 × 102.68 - Step 4: Simplify right side
181.36x = 25,696.70 - Step 5: Solve for x
x = 25,696.70/181.36 - Step 6: Final answer
x = 141.69
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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.