Finding the Fourth Proportional to 276.92, 415.01 and 200.14
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Solution
The fourth proportional to 276.92, 415.01 and 200.14 is: 299.94
Step by Step Solution
- Step 1: Write the proportion equation
276.92 : 415.01 = 200.14 : x - Step 2: Convert to fraction form
276.92/415.01 = 200.14/x - Step 3: Cross multiply
276.92x = 415.01 × 200.14 - Step 4: Simplify right side
276.92x = 83,058.03 - Step 5: Solve for x
x = 83,058.03/276.92 - Step 6: Final answer
x = 299.94
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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.