Finding the Fourth Proportional to 163.17, 225.19 and 110.73
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Solution
The fourth proportional to 163.17, 225.19 and 110.73 is: 152.82
Step by Step Solution
- Step 1: Write the proportion equation
163.17 : 225.19 = 110.73 : x - Step 2: Convert to fraction form
163.17/225.19 = 110.73/x - Step 3: Cross multiply
163.17x = 225.19 × 110.73 - Step 4: Simplify right side
163.17x = 24,935.29 - Step 5: Solve for x
x = 24,935.29/163.17 - Step 6: Final answer
x = 152.82
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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.