Finding the Fourth Proportional to 358.63, 537.93 and 163.57
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Solution
The fourth proportional to 358.63, 537.93 and 163.57 is: 245.35
Step by Step Solution
- Step 1: Write the proportion equation
358.63 : 537.93 = 163.57 : x - Step 2: Convert to fraction form
358.63/537.93 = 163.57/x - Step 3: Cross multiply
358.63x = 537.93 × 163.57 - Step 4: Simplify right side
358.63x = 87,989.21 - Step 5: Solve for x
x = 87,989.21/358.63 - Step 6: Final answer
x = 245.35
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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.