Finding the Fourth Proportional to 272.36, 409.36 and 224.58
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Solution
The fourth proportional to 272.36, 409.36 and 224.58 is: 337.55
Step by Step Solution
- Step 1: Write the proportion equation
272.36 : 409.36 = 224.58 : x - Step 2: Convert to fraction form
272.36/409.36 = 224.58/x - Step 3: Cross multiply
272.36x = 409.36 × 224.58 - Step 4: Simplify right side
272.36x = 91,934.07 - Step 5: Solve for x
x = 91,934.07/272.36 - Step 6: Final answer
x = 337.55
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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.