Finding the Fourth Proportional to 181.41, 250.26 and 114.99
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Solution
The fourth proportional to 181.41, 250.26 and 114.99 is: 158.63
Step by Step Solution
- Step 1: Write the proportion equation
181.41 : 250.26 = 114.99 : x - Step 2: Convert to fraction form
181.41/250.26 = 114.99/x - Step 3: Cross multiply
181.41x = 250.26 × 114.99 - Step 4: Simplify right side
181.41x = 28,776.03 - Step 5: Solve for x
x = 28,776.03/181.41 - Step 6: Final answer
x = 158.63
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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.