Finding the Fourth Proportional to 171.08, 236.08 and 97.40
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Solution
The fourth proportional to 171.08, 236.08 and 97.40 is: 134.41
Step by Step Solution
- Step 1: Write the proportion equation
171.08 : 236.08 = 97.40 : x - Step 2: Convert to fraction form
171.08/236.08 = 97.40/x - Step 3: Cross multiply
171.08x = 236.08 × 97.40 - Step 4: Simplify right side
171.08x = 22,994.19 - Step 5: Solve for x
x = 22,994.19/171.08 - Step 6: Final answer
x = 134.41
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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.