Finding the Fourth Proportional to 358.12, 537.04 and 126.95
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Solution
The fourth proportional to 358.12, 537.04 and 126.95 is: 190.38
Step by Step Solution
- Step 1: Write the proportion equation
358.12 : 537.04 = 126.95 : x - Step 2: Convert to fraction form
358.12/537.04 = 126.95/x - Step 3: Cross multiply
358.12x = 537.04 × 126.95 - Step 4: Simplify right side
358.12x = 68,177.23 - Step 5: Solve for x
x = 68,177.23/358.12 - 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.