Finding the Fourth Proportional to 358.25, 536.91 and 163.24
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Solution
The fourth proportional to 358.25, 536.91 and 163.24 is: 244.65
Step by Step Solution
- Step 1: Write the proportion equation
358.25 : 536.91 = 163.24 : x - Step 2: Convert to fraction form
358.25/536.91 = 163.24/x - Step 3: Cross multiply
358.25x = 536.91 × 163.24 - Step 4: Simplify right side
358.25x = 87,645.19 - Step 5: Solve for x
x = 87,645.19/358.25 - Step 6: Final answer
x = 244.65
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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.