Finding the Fourth Proportional to 297.53, 446.33 and 115.09
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Solution
The fourth proportional to 297.53, 446.33 and 115.09 is: 172.64
Step by Step Solution
- Step 1: Write the proportion equation
297.53 : 446.33 = 115.09 : x - Step 2: Convert to fraction form
297.53/446.33 = 115.09/x - Step 3: Cross multiply
297.53x = 446.33 × 115.09 - Step 4: Simplify right side
297.53x = 51,366.18 - Step 5: Solve for x
x = 51,366.18/297.53 - Step 6: Final answer
x = 172.64
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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.