Finding the Fourth Proportional to 251.73, 377.58 and 69.14
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Solution
The fourth proportional to 251.73, 377.58 and 69.14 is: 103.70
Step by Step Solution
- Step 1: Write the proportion equation
251.73 : 377.58 = 69.14 : x - Step 2: Convert to fraction form
251.73/377.58 = 69.14/x - Step 3: Cross multiply
251.73x = 377.58 × 69.14 - Step 4: Simplify right side
251.73x = 26,103.99 - Step 5: Solve for x
x = 26,103.99/251.73 - Step 6: Final answer
x = 103.70
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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.