Finding the Fourth Proportional to 272.63, 409.84 and 252.58
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Solution
The fourth proportional to 272.63, 409.84 and 252.58 is: 379.70
Step by Step Solution
- Step 1: Write the proportion equation
272.63 : 409.84 = 252.58 : x - Step 2: Convert to fraction form
272.63/409.84 = 252.58/x - Step 3: Cross multiply
272.63x = 409.84 × 252.58 - Step 4: Simplify right side
272.63x = 103,515.73 - Step 5: Solve for x
x = 103,515.73/272.63 - Step 6: Final answer
x = 379.70
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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.