Finding the Fourth Proportional to 358.07, 537.14 and 126.91
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Solution
The fourth proportional to 358.07, 537.14 and 126.91 is: 190.38
Step by Step Solution
- Step 1: Write the proportion equation
358.07 : 537.14 = 126.91 : x - Step 2: Convert to fraction form
358.07/537.14 = 126.91/x - Step 3: Cross multiply
358.07x = 537.14 × 126.91 - Step 4: Simplify right side
358.07x = 68,168.44 - Step 5: Solve for x
x = 68,168.44/358.07 - Step 6: Final answer
x = 190.38
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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.