Finding the Fourth Proportional to 417.09, 575.26 and 276.99
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Solution
The fourth proportional to 417.09, 575.26 and 276.99 is: 382.03
Step by Step Solution
- Step 1: Write the proportion equation
417.09 : 575.26 = 276.99 : x - Step 2: Convert to fraction form
417.09/575.26 = 276.99/x - Step 3: Cross multiply
417.09x = 575.26 × 276.99 - Step 4: Simplify right side
417.09x = 159,341.27 - Step 5: Solve for x
x = 159,341.27/417.09 - Step 6: Final answer
x = 382.03
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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.