Finding the Fourth Proportional to 5.50, 8.23 and 4
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Solution
The fourth proportional to 5.50, 8.23 and 4 is: 5.99
Step by Step Solution
- Step 1: Write the proportion equation
5.50 : 8.23 = 4 : x - Step 2: Convert to fraction form
5.50/8.23 = 4/x - Step 3: Cross multiply
5.50x = 8.23 × 4 - Step 4: Simplify right side
5.50x = 32.92 - Step 5: Solve for x
x = 32.92/5.50 - Step 6: Final answer
x = 5.99
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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.