Finding the Fourth Proportional to 358.91, 495.29 and 227.99
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Solution
The fourth proportional to 358.91, 495.29 and 227.99 is: 314.62
Step by Step Solution
- Step 1: Write the proportion equation
358.91 : 495.29 = 227.99 : x - Step 2: Convert to fraction form
358.91/495.29 = 227.99/x - Step 3: Cross multiply
358.91x = 495.29 × 227.99 - Step 4: Simplify right side
358.91x = 112,921.17 - Step 5: Solve for x
x = 112,921.17/358.91 - Step 6: Final answer
x = 314.62
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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.