Finding the Fourth Proportional to 223.44, 335.07 and 79.14
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Solution
The fourth proportional to 223.44, 335.07 and 79.14 is: 118.68
Step by Step Solution
- Step 1: Write the proportion equation
223.44 : 335.07 = 79.14 : x - Step 2: Convert to fraction form
223.44/335.07 = 79.14/x - Step 3: Cross multiply
223.44x = 335.07 × 79.14 - Step 4: Simplify right side
223.44x = 26,517.44 - Step 5: Solve for x
x = 26,517.44/223.44 - Step 6: Final answer
x = 118.68
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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.