Finding the Fourth Proportional to 308.91, 463.36 and 126.26
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Solution
The fourth proportional to 308.91, 463.36 and 126.26 is: 189.39
Step by Step Solution
- Step 1: Write the proportion equation
308.91 : 463.36 = 126.26 : x - Step 2: Convert to fraction form
308.91/463.36 = 126.26/x - Step 3: Cross multiply
308.91x = 463.36 × 126.26 - Step 4: Simplify right side
308.91x = 58,504.99 - Step 5: Solve for x
x = 58,504.99/308.91 - Step 6: Final answer
x = 189.39
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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.