Finding the Fourth Proportional to 297.63, 446.62 and 126.63
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Solution
The fourth proportional to 297.63, 446.62 and 126.63 is: 190.01
Step by Step Solution
- Step 1: Write the proportion equation
297.63 : 446.62 = 126.63 : x - Step 2: Convert to fraction form
297.63/446.62 = 126.63/x - Step 3: Cross multiply
297.63x = 446.62 × 126.63 - Step 4: Simplify right side
297.63x = 56,552.94 - Step 5: Solve for x
x = 56,552.94/297.63 - Step 6: Final answer
x = 190.01
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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.