Finding the Fourth Proportional to 197.20, 295.92 and 88.99
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Solution
The fourth proportional to 197.20, 295.92 and 88.99 is: 133.54
Step by Step Solution
- Step 1: Write the proportion equation
197.20 : 295.92 = 88.99 : x - Step 2: Convert to fraction form
197.20/295.92 = 88.99/x - Step 3: Cross multiply
197.20x = 295.92 × 88.99 - Step 4: Simplify right side
197.20x = 26,333.92 - Step 5: Solve for x
x = 26,333.92/197.20 - Step 6: Final answer
x = 133.54
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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.