Finding the Fourth Proportional to 163.24, 224.58 and 142.44
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Solution
The fourth proportional to 163.24, 224.58 and 142.44 is: 195.96
Step by Step Solution
- Step 1: Write the proportion equation
163.24 : 224.58 = 142.44 : x - Step 2: Convert to fraction form
163.24/224.58 = 142.44/x - Step 3: Cross multiply
163.24x = 224.58 × 142.44 - Step 4: Simplify right side
163.24x = 31,989.18 - Step 5: Solve for x
x = 31,989.18/163.24 - Step 6: Final answer
x = 195.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.