Finding the Fourth Proportional to 203.22, 305.06 and 163.13
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Solution
The fourth proportional to 203.22, 305.06 and 163.13 is: 244.87
Step by Step Solution
- Step 1: Write the proportion equation
203.22 : 305.06 = 163.13 : x - Step 2: Convert to fraction form
203.22/305.06 = 163.13/x - Step 3: Cross multiply
203.22x = 305.06 × 163.13 - Step 4: Simplify right side
203.22x = 49,762.10 - Step 5: Solve for x
x = 49,762.10/203.22 - Step 6: Final answer
x = 244.87
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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.