Finding the Fourth Proportional to 358.92, 495.09 and 227.70
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Solution
The fourth proportional to 358.92, 495.09 and 227.70 is: 314.09
Step by Step Solution
- Step 1: Write the proportion equation
358.92 : 495.09 = 227.70 : x - Step 2: Convert to fraction form
358.92/495.09 = 227.70/x - Step 3: Cross multiply
358.92x = 495.09 × 227.70 - Step 4: Simplify right side
358.92x = 112,731.99 - Step 5: Solve for x
x = 112,731.99/358.92 - Step 6: Final answer
x = 314.09
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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.