Finding the Fourth Proportional to 416.26, 574.26 and 291.88
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Solution
The fourth proportional to 416.26, 574.26 and 291.88 is: 402.67
Step by Step Solution
- Step 1: Write the proportion equation
416.26 : 574.26 = 291.88 : x - Step 2: Convert to fraction form
416.26/574.26 = 291.88/x - Step 3: Cross multiply
416.26x = 574.26 × 291.88 - Step 4: Simplify right side
416.26x = 167,614.63 - Step 5: Solve for x
x = 167,614.63/416.26 - Step 6: Final answer
x = 402.67
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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.