Finding the Fourth Proportional to 358.70, 494.99 and 201.34
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Solution
The fourth proportional to 358.70, 494.99 and 201.34 is: 277.84
Step by Step Solution
- Step 1: Write the proportion equation
358.70 : 494.99 = 201.34 : x - Step 2: Convert to fraction form
358.70/494.99 = 201.34/x - Step 3: Cross multiply
358.70x = 494.99 × 201.34 - Step 4: Simplify right side
358.70x = 99,660.28 - Step 5: Solve for x
x = 99,660.28/358.70 - Step 6: Final answer
x = 277.84
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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.