Finding the Fourth Proportional to 358.99, 495.41 and 201.64
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Solution
The fourth proportional to 358.99, 495.41 and 201.64 is: 278.27
Step by Step Solution
- Step 1: Write the proportion equation
358.99 : 495.41 = 201.64 : x - Step 2: Convert to fraction form
358.99/495.41 = 201.64/x - Step 3: Cross multiply
358.99x = 495.41 × 201.64 - Step 4: Simplify right side
358.99x = 99,894.47 - Step 5: Solve for x
x = 99,894.47/358.99 - Step 6: Final answer
x = 278.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.