Finding the Fourth Proportional to 197.44, 295.99 and 75.62
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Solution
The fourth proportional to 197.44, 295.99 and 75.62 is: 113.36
Step by Step Solution
- Step 1: Write the proportion equation
197.44 : 295.99 = 75.62 : x - Step 2: Convert to fraction form
197.44/295.99 = 75.62/x - Step 3: Cross multiply
197.44x = 295.99 × 75.62 - Step 4: Simplify right side
197.44x = 22,381.09 - Step 5: Solve for x
x = 22,381.09/197.44 - Step 6: Final answer
x = 113.36
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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.