Finding the Fourth Proportional to 358.55, 494.74 and 201.18
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Solution
The fourth proportional to 358.55, 494.74 and 201.18 is: 277.60
Step by Step Solution
- Step 1: Write the proportion equation
358.55 : 494.74 = 201.18 : x - Step 2: Convert to fraction form
358.55/494.74 = 201.18/x - Step 3: Cross multiply
358.55x = 494.74 × 201.18 - Step 4: Simplify right side
358.55x = 99,531.79 - Step 5: Solve for x
x = 99,531.79/358.55 - Step 6: Final answer
x = 277.60
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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.