Finding the Fourth Proportional to 358.26, 537.21 and 114.81
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Solution
The fourth proportional to 358.26, 537.21 and 114.81 is: 172.16
Step by Step Solution
- Step 1: Write the proportion equation
358.26 : 537.21 = 114.81 : x - Step 2: Convert to fraction form
358.26/537.21 = 114.81/x - Step 3: Cross multiply
358.26x = 537.21 × 114.81 - Step 4: Simplify right side
358.26x = 61,677.08 - Step 5: Solve for x
x = 61,677.08/358.26 - Step 6: Final answer
x = 172.16
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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.