Finding the Fourth Proportional to 243.26, 364.99 and 121.52
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Solution
The fourth proportional to 243.26, 364.99 and 121.52 is: 182.33
Step by Step Solution
- Step 1: Write the proportion equation
243.26 : 364.99 = 121.52 : x - Step 2: Convert to fraction form
243.26/364.99 = 121.52/x - Step 3: Cross multiply
243.26x = 364.99 × 121.52 - Step 4: Simplify right side
243.26x = 44,353.58 - Step 5: Solve for x
x = 44,353.58/243.26 - Step 6: Final answer
x = 182.33
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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.