Finding the Fourth Proportional to 242.24, 362.99 and 163.87
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Solution
The fourth proportional to 242.24, 362.99 and 163.87 is: 245.55
Step by Step Solution
- Step 1: Write the proportion equation
242.24 : 362.99 = 163.87 : x - Step 2: Convert to fraction form
242.24/362.99 = 163.87/x - Step 3: Cross multiply
242.24x = 362.99 × 163.87 - Step 4: Simplify right side
242.24x = 59,481.36 - Step 5: Solve for x
x = 59,481.36/242.24 - Step 6: Final answer
x = 245.55
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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.