Finding the Fourth Proportional to 358.26, 537.57 and 141.99
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Solution
The fourth proportional to 358.26, 537.57 and 141.99 is: 213.06
Step by Step Solution
- Step 1: Write the proportion equation
358.26 : 537.57 = 141.99 : x - Step 2: Convert to fraction form
358.26/537.57 = 141.99/x - Step 3: Cross multiply
358.26x = 537.57 × 141.99 - Step 4: Simplify right side
358.26x = 76,329.56 - Step 5: Solve for x
x = 76,329.56/358.26 - Step 6: Final answer
x = 213.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.