Finding the Fourth Proportional to 358.46, 494.63 and 201.08
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Solution
The fourth proportional to 358.46, 494.63 and 201.08 is: 277.47
Step by Step Solution
- Step 1: Write the proportion equation
358.46 : 494.63 = 201.08 : x - Step 2: Convert to fraction form
358.46/494.63 = 201.08/x - Step 3: Cross multiply
358.46x = 494.63 × 201.08 - Step 4: Simplify right side
358.46x = 99,461.19 - Step 5: Solve for x
x = 99,461.19/358.46 - Step 6: Final answer
x = 277.47
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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.