Finding the Fourth Proportional to 308.08, 462.37 and 161.99
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Solution
The fourth proportional to 308.08, 462.37 and 161.99 is: 243.11
Step by Step Solution
- Step 1: Write the proportion equation
308.08 : 462.37 = 161.99 : x - Step 2: Convert to fraction form
308.08/462.37 = 161.99/x - Step 3: Cross multiply
308.08x = 462.37 × 161.99 - Step 4: Simplify right side
308.08x = 74,896.19 - Step 5: Solve for x
x = 74,896.19/308.08 - Step 6: Final answer
x = 243.11
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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.