Finding the Fourth Proportional to 277.35, 416.04 and 84.99
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Solution
The fourth proportional to 277.35, 416.04 and 84.99 is: 127.49
Step by Step Solution
- Step 1: Write the proportion equation
277.35 : 416.04 = 84.99 : x - Step 2: Convert to fraction form
277.35/416.04 = 84.99/x - Step 3: Cross multiply
277.35x = 416.04 × 84.99 - Step 4: Simplify right side
277.35x = 35,359.24 - Step 5: Solve for x
x = 35,359.24/277.35 - Step 6: Final answer
x = 127.49
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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.