Finding the Fourth Proportional to 247.24, 341.08 and 163.30
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Solution
The fourth proportional to 247.24, 341.08 and 163.30 is: 225.28
Step by Step Solution
- Step 1: Write the proportion equation
247.24 : 341.08 = 163.30 : x - Step 2: Convert to fraction form
247.24/341.08 = 163.30/x - Step 3: Cross multiply
247.24x = 341.08 × 163.30 - Step 4: Simplify right side
247.24x = 55,698.36 - Step 5: Solve for x
x = 55,698.36/247.24 - Step 6: Final answer
x = 225.28
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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.