Finding the Fourth Proportional to 418.26, 577.18 and 234.26
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Solution
The fourth proportional to 418.26, 577.18 and 234.26 is: 323.27
Step by Step Solution
- Step 1: Write the proportion equation
418.26 : 577.18 = 234.26 : x - Step 2: Convert to fraction form
418.26/577.18 = 234.26/x - Step 3: Cross multiply
418.26x = 577.18 × 234.26 - Step 4: Simplify right side
418.26x = 135,210.19 - Step 5: Solve for x
x = 135,210.19/418.26 - Step 6: Final answer
x = 323.27
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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.