Finding the Fourth Proportional to 358.26, 537.20 and 114.63
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Solution
The fourth proportional to 358.26, 537.20 and 114.63 is: 171.88
Step by Step Solution
- Step 1: Write the proportion equation
358.26 : 537.20 = 114.63 : x - Step 2: Convert to fraction form
358.26/537.20 = 114.63/x - Step 3: Cross multiply
358.26x = 537.20 × 114.63 - Step 4: Simplify right side
358.26x = 61,578.66 - Step 5: Solve for x
x = 61,578.66/358.26 - Step 6: Final answer
x = 171.88
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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.