Finding the Fourth Proportional to 196.05, 293.94 and 87.96
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Solution
The fourth proportional to 196.05, 293.94 and 87.96 is: 131.88
Step by Step Solution
- Step 1: Write the proportion equation
196.05 : 293.94 = 87.96 : x - Step 2: Convert to fraction form
196.05/293.94 = 87.96/x - Step 3: Cross multiply
196.05x = 293.94 × 87.96 - Step 4: Simplify right side
196.05x = 25,854.96 - Step 5: Solve for x
x = 25,854.96/196.05 - Step 6: Final answer
x = 131.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.