Finding the Fourth Proportional to 171.26, 236.34 and 102.26
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Solution
The fourth proportional to 171.26, 236.34 and 102.26 is: 141.12
Step by Step Solution
- Step 1: Write the proportion equation
171.26 : 236.34 = 102.26 : x - Step 2: Convert to fraction form
171.26/236.34 = 102.26/x - Step 3: Cross multiply
171.26x = 236.34 × 102.26 - Step 4: Simplify right side
171.26x = 24,168.13 - Step 5: Solve for x
x = 24,168.13/171.26 - Step 6: Final answer
x = 141.12
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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.