Finding the Fourth Proportional to 400.97, 600.99 and 263.99
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Solution
The fourth proportional to 400.97, 600.99 and 263.99 is: 395.68
Step by Step Solution
- Step 1: Write the proportion equation
400.97 : 600.99 = 263.99 : x - Step 2: Convert to fraction form
400.97/600.99 = 263.99/x - Step 3: Cross multiply
400.97x = 600.99 × 263.99 - Step 4: Simplify right side
400.97x = 158,655.35 - Step 5: Solve for x
x = 158,655.35/400.97 - Step 6: Final answer
x = 395.68
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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.