Finding the Fourth Proportional to 272.68, 409.08 and 110.44
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Solution
The fourth proportional to 272.68, 409.08 and 110.44 is: 165.68
Step by Step Solution
- Step 1: Write the proportion equation
272.68 : 409.08 = 110.44 : x - Step 2: Convert to fraction form
272.68/409.08 = 110.44/x - Step 3: Cross multiply
272.68x = 409.08 × 110.44 - Step 4: Simplify right side
272.68x = 45,178.80 - Step 5: Solve for x
x = 45,178.80/272.68 - Step 6: Final answer
x = 165.68
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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.