Finding the Fourth Proportional to 171.62, 236.84 and 97.95
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Solution
The fourth proportional to 171.62, 236.84 and 97.95 is: 135.17
Step by Step Solution
- Step 1: Write the proportion equation
171.62 : 236.84 = 97.95 : x - Step 2: Convert to fraction form
171.62/236.84 = 97.95/x - Step 3: Cross multiply
171.62x = 236.84 × 97.95 - Step 4: Simplify right side
171.62x = 23,197.99 - Step 5: Solve for x
x = 23,197.99/171.62 - Step 6: Final answer
x = 135.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.