Finding the Fourth Proportional to 416.36, 574.36 and 276.44
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Solution
The fourth proportional to 416.36, 574.36 and 276.44 is: 381.34
Step by Step Solution
- Step 1: Write the proportion equation
416.36 : 574.36 = 276.44 : x - Step 2: Convert to fraction form
416.36/574.36 = 276.44/x - Step 3: Cross multiply
416.36x = 574.36 × 276.44 - Step 4: Simplify right side
416.36x = 158,776.08 - Step 5: Solve for x
x = 158,776.08/416.36 - Step 6: Final answer
x = 381.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.