Finding the Fourth Proportional to 216.95, 325.36 and 108.71
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Solution
The fourth proportional to 216.95, 325.36 and 108.71 is: 163.03
Step by Step Solution
- Step 1: Write the proportion equation
216.95 : 325.36 = 108.71 : x - Step 2: Convert to fraction form
216.95/325.36 = 108.71/x - Step 3: Cross multiply
216.95x = 325.36 × 108.71 - Step 4: Simplify right side
216.95x = 35,367.99 - Step 5: Solve for x
x = 35,367.99/216.95 - Step 6: Final answer
x = 163.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.