Finding the Fourth Proportional to 263.98, 363.18 and 226.99
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Solution
The fourth proportional to 263.98, 363.18 and 226.99 is: 312.29
Step by Step Solution
- Step 1: Write the proportion equation
263.98 : 363.18 = 226.99 : x - Step 2: Convert to fraction form
263.98/363.18 = 226.99/x - Step 3: Cross multiply
263.98x = 363.18 × 226.99 - Step 4: Simplify right side
263.98x = 82,438.23 - Step 5: Solve for x
x = 82,438.23/263.98 - Step 6: Final answer
x = 312.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.