Finding the Fourth Proportional to 283.44, 425.36 and 161.60
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Solution
The fourth proportional to 283.44, 425.36 and 161.60 is: 242.51
Step by Step Solution
- Step 1: Write the proportion equation
283.44 : 425.36 = 161.60 : x - Step 2: Convert to fraction form
283.44/425.36 = 161.60/x - Step 3: Cross multiply
283.44x = 425.36 × 161.60 - Step 4: Simplify right side
283.44x = 68,738.18 - Step 5: Solve for x
x = 68,738.18/283.44 - Step 6: Final answer
x = 242.51
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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.