Finding the Fourth Proportional to 193.11, 266.10 and 163.95
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Solution
The fourth proportional to 193.11, 266.10 and 163.95 is: 225.92
Step by Step Solution
- Step 1: Write the proportion equation
193.11 : 266.10 = 163.95 : x - Step 2: Convert to fraction form
193.11/266.10 = 163.95/x - Step 3: Cross multiply
193.11x = 266.10 × 163.95 - Step 4: Simplify right side
193.11x = 43,627.10 - Step 5: Solve for x
x = 43,627.10/193.11 - Step 6: Final answer
x = 225.92
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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.