Finding the Fourth Proportional to 163.23, 244.83 and 91.08
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Solution
The fourth proportional to 163.23, 244.83 and 91.08 is: 136.61
Step by Step Solution
- Step 1: Write the proportion equation
163.23 : 244.83 = 91.08 : x - Step 2: Convert to fraction form
163.23/244.83 = 91.08/x - Step 3: Cross multiply
163.23x = 244.83 × 91.08 - Step 4: Simplify right side
163.23x = 22,299.12 - Step 5: Solve for x
x = 22,299.12/163.23 - Step 6: Final answer
x = 136.61
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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.