Finding the Fourth Proportional to 224.13, 335.99 and 121.26
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Solution
The fourth proportional to 224.13, 335.99 and 121.26 is: 181.78
Step by Step Solution
- Step 1: Write the proportion equation
224.13 : 335.99 = 121.26 : x - Step 2: Convert to fraction form
224.13/335.99 = 121.26/x - Step 3: Cross multiply
224.13x = 335.99 × 121.26 - Step 4: Simplify right side
224.13x = 40,741.54 - Step 5: Solve for x
x = 40,741.54/224.13 - Step 6: Final answer
x = 181.78
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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.