Finding the Fourth Proportional to 272.91, 408.93 and 110.49
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Solution
The fourth proportional to 272.91, 408.93 and 110.49 is: 165.56
Step by Step Solution
- Step 1: Write the proportion equation
272.91 : 408.93 = 110.49 : x - Step 2: Convert to fraction form
272.91/408.93 = 110.49/x - Step 3: Cross multiply
272.91x = 408.93 × 110.49 - Step 4: Simplify right side
272.91x = 45,182.68 - Step 5: Solve for x
x = 45,182.68/272.91 - Step 6: Final answer
x = 165.56
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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.