Finding the Fourth Proportional to 171.70, 236.95 and 94.08
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Solution
The fourth proportional to 171.70, 236.95 and 94.08 is: 129.83
Step by Step Solution
- Step 1: Write the proportion equation
171.70 : 236.95 = 94.08 : x - Step 2: Convert to fraction form
171.70/236.95 = 94.08/x - Step 3: Cross multiply
171.70x = 236.95 × 94.08 - Step 4: Simplify right side
171.70x = 22,291.84 - Step 5: Solve for x
x = 22,291.84/171.70 - Step 6: Final answer
x = 129.83
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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.