Finding the Fourth Proportional to 400.77, 600.03 and 270.99
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Solution
The fourth proportional to 400.77, 600.03 and 270.99 is: 405.72
Step by Step Solution
- Step 1: Write the proportion equation
400.77 : 600.03 = 270.99 : x - Step 2: Convert to fraction form
400.77/600.03 = 270.99/x - Step 3: Cross multiply
400.77x = 600.03 × 270.99 - Step 4: Simplify right side
400.77x = 162,602.13 - Step 5: Solve for x
x = 162,602.13/400.77 - Step 6: Final answer
x = 405.72
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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.