Finding the Fourth Proportional to 277.36, 415.99 and 84.94
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Solution
The fourth proportional to 277.36, 415.99 and 84.94 is: 127.39
Step by Step Solution
- Step 1: Write the proportion equation
277.36 : 415.99 = 84.94 : x - Step 2: Convert to fraction form
277.36/415.99 = 84.94/x - Step 3: Cross multiply
277.36x = 415.99 × 84.94 - Step 4: Simplify right side
277.36x = 35,333.26 - Step 5: Solve for x
x = 35,333.26/277.36 - Step 6: Final answer
x = 127.39
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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.