Finding the Fourth Proportional to 358.80, 495.19 and 201.44
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Solution
The fourth proportional to 358.80, 495.19 and 201.44 is: 278.01
Step by Step Solution
- Step 1: Write the proportion equation
358.80 : 495.19 = 201.44 : x - Step 2: Convert to fraction form
358.80/495.19 = 201.44/x - Step 3: Cross multiply
358.80x = 495.19 × 201.44 - Step 4: Simplify right side
358.80x = 99,751.07 - Step 5: Solve for x
x = 99,751.07/358.80 - Step 6: Final answer
x = 278.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.