Finding the Fourth Proportional to 295.72, 443.42 and 193
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Solution
The fourth proportional to 295.72, 443.42 and 193 is: 289.40
Step by Step Solution
- Step 1: Write the proportion equation
295.72 : 443.42 = 193 : x - Step 2: Convert to fraction form
295.72/443.42 = 193/x - Step 3: Cross multiply
295.72x = 443.42 × 193 - Step 4: Simplify right side
295.72x = 85,580.06 - Step 5: Solve for x
x = 85,580.06/295.72 - Step 6: Final answer
x = 289.40
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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.