Finding the Fourth Proportional to 221.62, 332.97 and 195.70
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Solution
The fourth proportional to 221.62, 332.97 and 195.70 is: 294.03
Step by Step Solution
- Step 1: Write the proportion equation
221.62 : 332.97 = 195.70 : x - Step 2: Convert to fraction form
221.62/332.97 = 195.70/x - Step 3: Cross multiply
221.62x = 332.97 × 195.70 - Step 4: Simplify right side
221.62x = 65,162.23 - Step 5: Solve for x
x = 65,162.23/221.62 - Step 6: Final answer
x = 294.03
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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.