Finding the Fourth Proportional to 263.79, 396.36 and 252.99
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Solution
The fourth proportional to 263.79, 396.36 and 252.99 is: 380.13
Step by Step Solution
- Step 1: Write the proportion equation
263.79 : 396.36 = 252.99 : x - Step 2: Convert to fraction form
263.79/396.36 = 252.99/x - Step 3: Cross multiply
263.79x = 396.36 × 252.99 - Step 4: Simplify right side
263.79x = 100,275.12 - Step 5: Solve for x
x = 100,275.12/263.79 - Step 6: Final answer
x = 380.13
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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.