Finding the Fourth Proportional to 163.17, 244.74 and 54.95
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Solution
The fourth proportional to 163.17, 244.74 and 54.95 is: 82.41
Step by Step Solution
- Step 1: Write the proportion equation
163.17 : 244.74 = 54.95 : x - Step 2: Convert to fraction form
163.17/244.74 = 54.95/x - Step 3: Cross multiply
163.17x = 244.74 × 54.95 - Step 4: Simplify right side
163.17x = 13,447.24 - Step 5: Solve for x
x = 13,447.24/163.17 - Step 6: Final answer
x = 82.41
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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.