Finding the Fourth Proportional to 224.19, 336.33 and 79.92
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Solution
The fourth proportional to 224.19, 336.33 and 79.92 is: 119.90
Step by Step Solution
- Step 1: Write the proportion equation
224.19 : 336.33 = 79.92 : x - Step 2: Convert to fraction form
224.19/336.33 = 79.92/x - Step 3: Cross multiply
224.19x = 336.33 × 79.92 - Step 4: Simplify right side
224.19x = 26,879.49 - Step 5: Solve for x
x = 26,879.49/224.19 - Step 6: Final answer
x = 119.90
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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.