Finding the Fourth Proportional to 277.36, 415.99 and 94.75
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Solution
The fourth proportional to 277.36, 415.99 and 94.75 is: 142.11
Step by Step Solution
- Step 1: Write the proportion equation
277.36 : 415.99 = 94.75 : x - Step 2: Convert to fraction form
277.36/415.99 = 94.75/x - Step 3: Cross multiply
277.36x = 415.99 × 94.75 - Step 4: Simplify right side
277.36x = 39,414.58 - Step 5: Solve for x
x = 39,414.58/277.36 - Step 6: Final answer
x = 142.11
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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.