Finding the Fourth Proportional to 163.39, 245.02 and 94.99
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Solution
The fourth proportional to 163.39, 245.02 and 94.99 is: 142.45
Step by Step Solution
- Step 1: Write the proportion equation
163.39 : 245.02 = 94.99 : x - Step 2: Convert to fraction form
163.39/245.02 = 94.99/x - Step 3: Cross multiply
163.39x = 245.02 × 94.99 - Step 4: Simplify right side
163.39x = 23,274.45 - Step 5: Solve for x
x = 23,274.45/163.39 - Step 6: Final answer
x = 142.45
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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.