Finding the Fourth Proportional to 212.11, 292.97 and 163.58
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Solution
The fourth proportional to 212.11, 292.97 and 163.58 is: 225.94
Step by Step Solution
- Step 1: Write the proportion equation
212.11 : 292.97 = 163.58 : x - Step 2: Convert to fraction form
212.11/292.97 = 163.58/x - Step 3: Cross multiply
212.11x = 292.97 × 163.58 - Step 4: Simplify right side
212.11x = 47,922.98 - Step 5: Solve for x
x = 47,922.98/212.11 - Step 6: Final answer
x = 225.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.