Finding the Fourth Proportional to 163.17, 244.79 and 47.62
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Solution
The fourth proportional to 163.17, 244.79 and 47.62 is: 71.43
Step by Step Solution
- Step 1: Write the proportion equation
163.17 : 244.79 = 47.62 : x - Step 2: Convert to fraction form
163.17/244.79 = 47.62/x - Step 3: Cross multiply
163.17x = 244.79 × 47.62 - Step 4: Simplify right side
163.17x = 11,655.68 - Step 5: Solve for x
x = 11,655.68/163.17 - Step 6: Final answer
x = 71.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.