Finding the Fourth Proportional to 163.04, 244.68 and 66.92
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Solution
The fourth proportional to 163.04, 244.68 and 66.92 is: 100.43
Step by Step Solution
- Step 1: Write the proportion equation
163.04 : 244.68 = 66.92 : x - Step 2: Convert to fraction form
163.04/244.68 = 66.92/x - Step 3: Cross multiply
163.04x = 244.68 × 66.92 - Step 4: Simplify right side
163.04x = 16,373.99 - Step 5: Solve for x
x = 16,373.99/163.04 - Step 6: Final answer
x = 100.43
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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.