Finding the Fourth Proportional to 283.69, 425.25 and 161.70
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Solution
The fourth proportional to 283.69, 425.25 and 161.70 is: 242.39
Step by Step Solution
- Step 1: Write the proportion equation
283.69 : 425.25 = 161.70 : x - Step 2: Convert to fraction form
283.69/425.25 = 161.70/x - Step 3: Cross multiply
283.69x = 425.25 × 161.70 - Step 4: Simplify right side
283.69x = 68,762.93 - Step 5: Solve for x
x = 68,762.93/283.69 - Step 6: Final answer
x = 242.39
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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.