Finding the Fourth Proportional to 358.88, 495.26 and 201.53
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Solution
The fourth proportional to 358.88, 495.26 and 201.53 is: 278.11
Step by Step Solution
- Step 1: Write the proportion equation
358.88 : 495.26 = 201.53 : x - Step 2: Convert to fraction form
358.88/495.26 = 201.53/x - Step 3: Cross multiply
358.88x = 495.26 × 201.53 - Step 4: Simplify right side
358.88x = 99,806.26 - Step 5: Solve for x
x = 99,806.26/358.88 - Step 6: Final answer
x = 278.11
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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.