Finding the Fourth Proportional to 297.81, 446.99 and 153.63
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Solution
The fourth proportional to 297.81, 446.99 and 153.63 is: 230.58
Step by Step Solution
- Step 1: Write the proportion equation
297.81 : 446.99 = 153.63 : x - Step 2: Convert to fraction form
297.81/446.99 = 153.63/x - Step 3: Cross multiply
297.81x = 446.99 × 153.63 - Step 4: Simplify right side
297.81x = 68,670.31 - Step 5: Solve for x
x = 68,670.31/297.81 - Step 6: Final answer
x = 230.58
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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.