Finding the Fourth Proportional to 163.95, 224.32 and 163.47
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Solution
The fourth proportional to 163.95, 224.32 and 163.47 is: 223.66
Step by Step Solution
- Step 1: Write the proportion equation
163.95 : 224.32 = 163.47 : x - Step 2: Convert to fraction form
163.95/224.32 = 163.47/x - Step 3: Cross multiply
163.95x = 224.32 × 163.47 - Step 4: Simplify right side
163.95x = 36,669.18 - Step 5: Solve for x
x = 36,669.18/163.95 - Step 6: Final answer
x = 223.66
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.