Finding the Fourth Proportional to 171.18, 236.21 and 97.49
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Solution
The fourth proportional to 171.18, 236.21 and 97.49 is: 134.53
Step by Step Solution
- Step 1: Write the proportion equation
171.18 : 236.21 = 97.49 : x - Step 2: Convert to fraction form
171.18/236.21 = 97.49/x - Step 3: Cross multiply
171.18x = 236.21 × 97.49 - Step 4: Simplify right side
171.18x = 23,027.63 - Step 5: Solve for x
x = 23,027.63/171.18 - Step 6: Final answer
x = 134.53
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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.