Finding the Fourth Proportional to 213.00, 320.03 and 135.99
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Solution
The fourth proportional to 213.00, 320.03 and 135.99 is: 204.33
Step by Step Solution
- Step 1: Write the proportion equation
213.00 : 320.03 = 135.99 : x - Step 2: Convert to fraction form
213.00/320.03 = 135.99/x - Step 3: Cross multiply
213.00x = 320.03 × 135.99 - Step 4: Simplify right side
213.00x = 43,521.00 - Step 5: Solve for x
x = 43,521.00/213.00 - Step 6: Final answer
x = 204.33
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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.