Finding the Fourth Proportional to 358.21, 494.06 and 226.99
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Solution
The fourth proportional to 358.21, 494.06 and 226.99 is: 313.08
Step by Step Solution
- Step 1: Write the proportion equation
358.21 : 494.06 = 226.99 : x - Step 2: Convert to fraction form
358.21/494.06 = 226.99/x - Step 3: Cross multiply
358.21x = 494.06 × 226.99 - Step 4: Simplify right side
358.21x = 112,146.68 - Step 5: Solve for x
x = 112,146.68/358.21 - Step 6: Final answer
x = 313.08
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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.