Finding the Fourth Proportional to 197.24, 295.79 and 75.43
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Solution
The fourth proportional to 197.24, 295.79 and 75.43 is: 113.12
Step by Step Solution
- Step 1: Write the proportion equation
197.24 : 295.79 = 75.43 : x - Step 2: Convert to fraction form
197.24/295.79 = 75.43/x - Step 3: Cross multiply
197.24x = 295.79 × 75.43 - Step 4: Simplify right side
197.24x = 22,311.44 - Step 5: Solve for x
x = 22,311.44/197.24 - Step 6: Final answer
x = 113.12
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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.