Finding the Fourth Proportional to 272.67, 409.64 and 150.99
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Solution
The fourth proportional to 272.67, 409.64 and 150.99 is: 226.83
Step by Step Solution
- Step 1: Write the proportion equation
272.67 : 409.64 = 150.99 : x - Step 2: Convert to fraction form
272.67/409.64 = 150.99/x - Step 3: Cross multiply
272.67x = 409.64 × 150.99 - Step 4: Simplify right side
272.67x = 61,850.79 - Step 5: Solve for x
x = 61,850.79/272.67 - Step 6: Final answer
x = 226.83
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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.