Finding the Fourth Proportional to 277.73, 416.44 and 156.13
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Solution
The fourth proportional to 277.73, 416.44 and 156.13 is: 234.11
Step by Step Solution
- Step 1: Write the proportion equation
277.73 : 416.44 = 156.13 : x - Step 2: Convert to fraction form
277.73/416.44 = 156.13/x - Step 3: Cross multiply
277.73x = 416.44 × 156.13 - Step 4: Simplify right side
277.73x = 65,017.93 - Step 5: Solve for x
x = 65,017.93/277.73 - Step 6: Final answer
x = 234.11
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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.