Finding the Fourth Proportional to 163.67, 245.49 and 102.68
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Solution
The fourth proportional to 163.67, 245.49 and 102.68 is: 154.01
Step by Step Solution
- Step 1: Write the proportion equation
163.67 : 245.49 = 102.68 : x - Step 2: Convert to fraction form
163.67/245.49 = 102.68/x - Step 3: Cross multiply
163.67x = 245.49 × 102.68 - Step 4: Simplify right side
163.67x = 25,206.91 - Step 5: Solve for x
x = 25,206.91/163.67 - Step 6: Final answer
x = 154.01
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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.