Finding the Fourth Proportional to 358.18, 537.32 and 126.99
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Solution
The fourth proportional to 358.18, 537.32 and 126.99 is: 190.50
Step by Step Solution
- Step 1: Write the proportion equation
358.18 : 537.32 = 126.99 : x - Step 2: Convert to fraction form
358.18/537.32 = 126.99/x - Step 3: Cross multiply
358.18x = 537.32 × 126.99 - Step 4: Simplify right side
358.18x = 68,234.58 - Step 5: Solve for x
x = 68,234.58/358.18 - Step 6: Final answer
x = 190.50
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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.