Finding the Fourth Proportional to 251.41, 376.67 and 88.99
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Solution
The fourth proportional to 251.41, 376.67 and 88.99 is: 133.33
Step by Step Solution
- Step 1: Write the proportion equation
251.41 : 376.67 = 88.99 : x - Step 2: Convert to fraction form
251.41/376.67 = 88.99/x - Step 3: Cross multiply
251.41x = 376.67 × 88.99 - Step 4: Simplify right side
251.41x = 33,519.42 - Step 5: Solve for x
x = 33,519.42/251.41 - Step 6: Final answer
x = 133.33
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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.