Finding the Fourth Proportional to 163.97, 245.99 and 61.27
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Solution
The fourth proportional to 163.97, 245.99 and 61.27 is: 91.92
Step by Step Solution
- Step 1: Write the proportion equation
163.97 : 245.99 = 61.27 : x - Step 2: Convert to fraction form
163.97/245.99 = 61.27/x - Step 3: Cross multiply
163.97x = 245.99 × 61.27 - Step 4: Simplify right side
163.97x = 15,071.81 - Step 5: Solve for x
x = 15,071.81/163.97 - Step 6: Final answer
x = 91.92
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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.