Finding the Fourth Proportional to 286.11, 429.44 and 149.26
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Solution
The fourth proportional to 286.11, 429.44 and 149.26 is: 224.03
Step by Step Solution
- Step 1: Write the proportion equation
286.11 : 429.44 = 149.26 : x - Step 2: Convert to fraction form
286.11/429.44 = 149.26/x - Step 3: Cross multiply
286.11x = 429.44 × 149.26 - Step 4: Simplify right side
286.11x = 64,098.21 - Step 5: Solve for x
x = 64,098.21/286.11 - Step 6: Final answer
x = 224.03
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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.