Finding the Fourth Proportional to 297.73, 446.65 and 149.56
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Solution
The fourth proportional to 297.73, 446.65 and 149.56 is: 224.37
Step by Step Solution
- Step 1: Write the proportion equation
297.73 : 446.65 = 149.56 : x - Step 2: Convert to fraction form
297.73/446.65 = 149.56/x - Step 3: Cross multiply
297.73x = 446.65 × 149.56 - Step 4: Simplify right side
297.73x = 66,800.97 - Step 5: Solve for x
x = 66,800.97/297.73 - Step 6: Final answer
x = 224.37
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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.