Finding the Fourth Proportional to 197.05, 295.77 and 87.49
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Solution
The fourth proportional to 197.05, 295.77 and 87.49 is: 131.32
Step by Step Solution
- Step 1: Write the proportion equation
197.05 : 295.77 = 87.49 : x - Step 2: Convert to fraction form
197.05/295.77 = 87.49/x - Step 3: Cross multiply
197.05x = 295.77 × 87.49 - Step 4: Simplify right side
197.05x = 25,876.92 - Step 5: Solve for x
x = 25,876.92/197.05 - Step 6: Final answer
x = 131.32
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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.