Finding the Fourth Proportional to 358.68, 537.68 and 163.81
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Solution
The fourth proportional to 358.68, 537.68 and 163.81 is: 245.56
Step by Step Solution
- Step 1: Write the proportion equation
358.68 : 537.68 = 163.81 : x - Step 2: Convert to fraction form
358.68/537.68 = 163.81/x - Step 3: Cross multiply
358.68x = 537.68 × 163.81 - Step 4: Simplify right side
358.68x = 88,078.44 - Step 5: Solve for x
x = 88,078.44/358.68 - Step 6: Final answer
x = 245.56
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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.