Finding the Fourth Proportional to 217.84, 325.95 and 149.44
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Solution
The fourth proportional to 217.84, 325.95 and 149.44 is: 223.60
Step by Step Solution
- Step 1: Write the proportion equation
217.84 : 325.95 = 149.44 : x - Step 2: Convert to fraction form
217.84/325.95 = 149.44/x - Step 3: Cross multiply
217.84x = 325.95 × 149.44 - Step 4: Simplify right side
217.84x = 48,709.97 - Step 5: Solve for x
x = 48,709.97/217.84 - Step 6: Final answer
x = 223.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.