Finding the Fourth Proportional to 163.41, 245.11 and 41.68
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Solution
The fourth proportional to 163.41, 245.11 and 41.68 is: 62.51
Step by Step Solution
- Step 1: Write the proportion equation
163.41 : 245.11 = 41.68 : x - Step 2: Convert to fraction form
163.41/245.11 = 41.68/x - Step 3: Cross multiply
163.41x = 245.11 × 41.68 - Step 4: Simplify right side
163.41x = 10,214.96 - Step 5: Solve for x
x = 10,214.96/163.41 - Step 6: Final answer
x = 62.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.