Finding the Fourth Proportional to 358.44, 494.64 and 201.08
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Solution
The fourth proportional to 358.44, 494.64 and 201.08 is: 277.49
Step by Step Solution
- Step 1: Write the proportion equation
358.44 : 494.64 = 201.08 : x - Step 2: Convert to fraction form
358.44/494.64 = 201.08/x - Step 3: Cross multiply
358.44x = 494.64 × 201.08 - Step 4: Simplify right side
358.44x = 99,462.21 - Step 5: Solve for x
x = 99,462.21/358.44 - Step 6: Final answer
x = 277.49
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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.