Finding the Fourth Proportional to 163.40, 245.99 and 141.08
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Solution
The fourth proportional to 163.40, 245.99 and 141.08 is: 212.39
Step by Step Solution
- Step 1: Write the proportion equation
163.40 : 245.99 = 141.08 : x - Step 2: Convert to fraction form
163.40/245.99 = 141.08/x - Step 3: Cross multiply
163.40x = 245.99 × 141.08 - Step 4: Simplify right side
163.40x = 34,704.27 - Step 5: Solve for x
x = 34,704.27/163.40 - Step 6: Final answer
x = 212.39
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.