Finding the Fourth Proportional to 286.21, 429.62 and 232.75
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Solution
The fourth proportional to 286.21, 429.62 and 232.75 is: 349.37
Step by Step Solution
- Step 1: Write the proportion equation
286.21 : 429.62 = 232.75 : x - Step 2: Convert to fraction form
286.21/429.62 = 232.75/x - Step 3: Cross multiply
286.21x = 429.62 × 232.75 - Step 4: Simplify right side
286.21x = 99,994.06 - Step 5: Solve for x
x = 99,994.06/286.21 - Step 6: Final answer
x = 349.37
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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.