Finding the Fourth Proportional to 297.98, 446.99 and 124.62
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Solution
The fourth proportional to 297.98, 446.99 and 124.62 is: 186.94
Step by Step Solution
- Step 1: Write the proportion equation
297.98 : 446.99 = 124.62 : x - Step 2: Convert to fraction form
297.98/446.99 = 124.62/x - Step 3: Cross multiply
297.98x = 446.99 × 124.62 - Step 4: Simplify right side
297.98x = 55,703.90 - Step 5: Solve for x
x = 55,703.90/297.98 - Step 6: Final answer
x = 186.94
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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.