Finding the Fourth Proportional to 171.44, 236.44 and 102.44
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Solution
The fourth proportional to 171.44, 236.44 and 102.44 is: 141.28
Step by Step Solution
- Step 1: Write the proportion equation
171.44 : 236.44 = 102.44 : x - Step 2: Convert to fraction form
171.44/236.44 = 102.44/x - Step 3: Cross multiply
171.44x = 236.44 × 102.44 - Step 4: Simplify right side
171.44x = 24,220.91 - Step 5: Solve for x
x = 24,220.91/171.44 - Step 6: Final answer
x = 141.28
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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.