Finding the Fourth Proportional to 181.23, 250.11 and 107.57
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Solution
The fourth proportional to 181.23, 250.11 and 107.57 is: 148.45
Step by Step Solution
- Step 1: Write the proportion equation
181.23 : 250.11 = 107.57 : x - Step 2: Convert to fraction form
181.23/250.11 = 107.57/x - Step 3: Cross multiply
181.23x = 250.11 × 107.57 - Step 4: Simplify right side
181.23x = 26,903.08 - Step 5: Solve for x
x = 26,903.08/181.23 - Step 6: Final answer
x = 148.45
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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.