Finding the Fourth Proportional to 358.20, 537.26 and 114.68
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Solution
The fourth proportional to 358.20, 537.26 and 114.68 is: 172.01
Step by Step Solution
- Step 1: Write the proportion equation
358.20 : 537.26 = 114.68 : x - Step 2: Convert to fraction form
358.20/537.26 = 114.68/x - Step 3: Cross multiply
358.20x = 537.26 × 114.68 - Step 4: Simplify right side
358.20x = 61,612.98 - Step 5: Solve for x
x = 61,612.98/358.20 - Step 6: Final answer
x = 172.01
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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.