Finding the Fourth Proportional to 297.73, 446.68 and 115.18
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Solution
The fourth proportional to 297.73, 446.68 and 115.18 is: 172.80
Step by Step Solution
- Step 1: Write the proportion equation
297.73 : 446.68 = 115.18 : x - Step 2: Convert to fraction form
297.73/446.68 = 115.18/x - Step 3: Cross multiply
297.73x = 446.68 × 115.18 - Step 4: Simplify right side
297.73x = 51,448.60 - Step 5: Solve for x
x = 51,448.60/297.73 - Step 6: Final answer
x = 172.80
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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.