Finding the Fourth Proportional to 272.99, 409.18 and 151.09
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Solution
The fourth proportional to 272.99, 409.18 and 151.09 is: 226.47
Step by Step Solution
- Step 1: Write the proportion equation
272.99 : 409.18 = 151.09 : x - Step 2: Convert to fraction form
272.99/409.18 = 151.09/x - Step 3: Cross multiply
272.99x = 409.18 × 151.09 - Step 4: Simplify right side
272.99x = 61,823.01 - Step 5: Solve for x
x = 61,823.01/272.99 - Step 6: Final answer
x = 226.47
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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.