Finding the Fourth Proportional to 310.24, 464.87 and 163.99
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Solution
The fourth proportional to 310.24, 464.87 and 163.99 is: 245.72
Step by Step Solution
- Step 1: Write the proportion equation
310.24 : 464.87 = 163.99 : x - Step 2: Convert to fraction form
310.24/464.87 = 163.99/x - Step 3: Cross multiply
310.24x = 464.87 × 163.99 - Step 4: Simplify right side
310.24x = 76,230.89 - Step 5: Solve for x
x = 76,230.89/310.24 - Step 6: Final answer
x = 245.72
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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.