Finding the Fourth Proportional to 272.99, 409.48 and 224.75
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Solution
The fourth proportional to 272.99, 409.48 and 224.75 is: 337.12
Step by Step Solution
- Step 1: Write the proportion equation
272.99 : 409.48 = 224.75 : x - Step 2: Convert to fraction form
272.99/409.48 = 224.75/x - Step 3: Cross multiply
272.99x = 409.48 × 224.75 - Step 4: Simplify right side
272.99x = 92,028.58 - Step 5: Solve for x
x = 92,028.58/272.99 - Step 6: Final answer
x = 337.12
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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.