Finding the Fourth Proportional to 283.23, 425.07 and 161.55
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Solution
The fourth proportional to 283.23, 425.07 and 161.55 is: 242.45
Step by Step Solution
- Step 1: Write the proportion equation
283.23 : 425.07 = 161.55 : x - Step 2: Convert to fraction form
283.23/425.07 = 161.55/x - Step 3: Cross multiply
283.23x = 425.07 × 161.55 - Step 4: Simplify right side
283.23x = 68,670.06 - Step 5: Solve for x
x = 68,670.06/283.23 - Step 6: Final answer
x = 242.45
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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.