Finding the Fourth Proportional to 300.56, 414.74 and 169.55
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Solution
The fourth proportional to 300.56, 414.74 and 169.55 is: 233.95
Step by Step Solution
- Step 1: Write the proportion equation
300.56 : 414.74 = 169.55 : x - Step 2: Convert to fraction form
300.56/414.74 = 169.55/x - Step 3: Cross multiply
300.56x = 414.74 × 169.55 - Step 4: Simplify right side
300.56x = 70,316.25 - Step 5: Solve for x
x = 70,316.25/300.56 - Step 6: Final answer
x = 233.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.