Finding the Fourth Proportional to 242.49, 363.11 and 201.79
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Solution
The fourth proportional to 242.49, 363.11 and 201.79 is: 302.16
Step by Step Solution
- Step 1: Write the proportion equation
242.49 : 363.11 = 201.79 : x - Step 2: Convert to fraction form
242.49/363.11 = 201.79/x - Step 3: Cross multiply
242.49x = 363.11 × 201.79 - Step 4: Simplify right side
242.49x = 73,271.97 - Step 5: Solve for x
x = 73,271.97/242.49 - Step 6: Final answer
x = 302.16
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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.