Finding the Fourth Proportional to 415.22, 623.12 and 232.97
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Solution
The fourth proportional to 415.22, 623.12 and 232.97 is: 349.61
Step by Step Solution
- Step 1: Write the proportion equation
415.22 : 623.12 = 232.97 : x - Step 2: Convert to fraction form
415.22/623.12 = 232.97/x - Step 3: Cross multiply
415.22x = 623.12 × 232.97 - Step 4: Simplify right side
415.22x = 145,163.99 - Step 5: Solve for x
x = 145,163.99/415.22 - Step 6: Final answer
x = 349.61
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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.