Finding the Fourth Proportional to 232.79, 348.78 and 163.99
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Solution
The fourth proportional to 232.79, 348.78 and 163.99 is: 245.70
Step by Step Solution
- Step 1: Write the proportion equation
232.79 : 348.78 = 163.99 : x - Step 2: Convert to fraction form
232.79/348.78 = 163.99/x - Step 3: Cross multiply
232.79x = 348.78 × 163.99 - Step 4: Simplify right side
232.79x = 57,196.43 - Step 5: Solve for x
x = 57,196.43/232.79 - Step 6: Final answer
x = 245.70
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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.