Finding the Fourth Proportional to 207.41, 310.58 and 163.87
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Solution
The fourth proportional to 207.41, 310.58 and 163.87 is: 245.39
Step by Step Solution
- Step 1: Write the proportion equation
207.41 : 310.58 = 163.87 : x - Step 2: Convert to fraction form
207.41/310.58 = 163.87/x - Step 3: Cross multiply
207.41x = 310.58 × 163.87 - Step 4: Simplify right side
207.41x = 50,896.43 - Step 5: Solve for x
x = 50,896.43/207.41 - Step 6: Final answer
x = 245.39
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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.