Finding the Fourth Proportional to 272.62, 408.93 and 110.26
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Solution
The fourth proportional to 272.62, 408.93 and 110.26 is: 165.39
Step by Step Solution
- Step 1: Write the proportion equation
272.62 : 408.93 = 110.26 : x - Step 2: Convert to fraction form
272.62/408.93 = 110.26/x - Step 3: Cross multiply
272.62x = 408.93 × 110.26 - Step 4: Simplify right side
272.62x = 45,088.62 - Step 5: Solve for x
x = 45,088.62/272.62 - Step 6: Final answer
x = 165.39
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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.