Finding the Fourth Proportional to 358.99, 538.44 and 204.43
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Solution
The fourth proportional to 358.99, 538.44 and 204.43 is: 306.62
Step by Step Solution
- Step 1: Write the proportion equation
358.99 : 538.44 = 204.43 : x - Step 2: Convert to fraction form
358.99/538.44 = 204.43/x - Step 3: Cross multiply
358.99x = 538.44 × 204.43 - Step 4: Simplify right side
358.99x = 110,073.29 - Step 5: Solve for x
x = 110,073.29/358.99 - Step 6: Final answer
x = 306.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.