Finding the Fourth Proportional to 216.44, 298.50 and 197
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Solution
The fourth proportional to 216.44, 298.50 and 197 is: 271.69
Step by Step Solution
- Step 1: Write the proportion equation
216.44 : 298.50 = 197 : x - Step 2: Convert to fraction form
216.44/298.50 = 197/x - Step 3: Cross multiply
216.44x = 298.50 × 197 - Step 4: Simplify right side
216.44x = 58,804.50 - Step 5: Solve for x
x = 58,804.50/216.44 - Step 6: Final answer
x = 271.69
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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.