Finding the Fourth Proportional to 358.53, 537.35 and 163.62
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Solution
The fourth proportional to 358.53, 537.35 and 163.62 is: 245.23
Step by Step Solution
- Step 1: Write the proportion equation
358.53 : 537.35 = 163.62 : x - Step 2: Convert to fraction form
358.53/537.35 = 163.62/x - Step 3: Cross multiply
358.53x = 537.35 × 163.62 - Step 4: Simplify right side
358.53x = 87,921.21 - Step 5: Solve for x
x = 87,921.21/358.53 - Step 6: Final answer
x = 245.23
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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.