Finding the Fourth Proportional to 272.99, 408.65 and 150.88
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Solution
The fourth proportional to 272.99, 408.65 and 150.88 is: 225.86
Step by Step Solution
- Step 1: Write the proportion equation
272.99 : 408.65 = 150.88 : x - Step 2: Convert to fraction form
272.99/408.65 = 150.88/x - Step 3: Cross multiply
272.99x = 408.65 × 150.88 - Step 4: Simplify right side
272.99x = 61,657.11 - Step 5: Solve for x
x = 61,657.11/272.99 - Step 6: Final answer
x = 225.86
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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.