Finding the Fourth Proportional to 299.99, 450.26 and 153.84
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Solution
The fourth proportional to 299.99, 450.26 and 153.84 is: 230.90
Step by Step Solution
- Step 1: Write the proportion equation
299.99 : 450.26 = 153.84 : x - Step 2: Convert to fraction form
299.99/450.26 = 153.84/x - Step 3: Cross multiply
299.99x = 450.26 × 153.84 - Step 4: Simplify right side
299.99x = 69,268.92 - Step 5: Solve for x
x = 69,268.92/299.99 - Step 6: Final answer
x = 230.90
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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.