Finding the Fourth Proportional to 181.70, 250.75 and 104.08
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Solution
The fourth proportional to 181.70, 250.75 and 104.08 is: 143.63
Step by Step Solution
- Step 1: Write the proportion equation
181.70 : 250.75 = 104.08 : x - Step 2: Convert to fraction form
181.70/250.75 = 104.08/x - Step 3: Cross multiply
181.70x = 250.75 × 104.08 - Step 4: Simplify right side
181.70x = 26,098.06 - Step 5: Solve for x
x = 26,098.06/181.70 - Step 6: Final answer
x = 143.63
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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.