Finding the Fourth Proportional to 163.44, 245.07 and 102.60
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Solution
The fourth proportional to 163.44, 245.07 and 102.60 is: 153.84
Step by Step Solution
- Step 1: Write the proportion equation
163.44 : 245.07 = 102.60 : x - Step 2: Convert to fraction form
163.44/245.07 = 102.60/x - Step 3: Cross multiply
163.44x = 245.07 × 102.60 - Step 4: Simplify right side
163.44x = 25,144.18 - Step 5: Solve for x
x = 25,144.18/163.44 - Step 6: Final answer
x = 153.84
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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.