Finding the Fourth Proportional to 163.83, 226.08 and 93.88
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Solution
The fourth proportional to 163.83, 226.08 and 93.88 is: 129.55
Step by Step Solution
- Step 1: Write the proportion equation
163.83 : 226.08 = 93.88 : x - Step 2: Convert to fraction form
163.83/226.08 = 93.88/x - Step 3: Cross multiply
163.83x = 226.08 × 93.88 - Step 4: Simplify right side
163.83x = 21,223.94 - Step 5: Solve for x
x = 21,223.94/163.83 - Step 6: Final answer
x = 129.55
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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.