Finding the Fourth Proportional to 210.44, 315.84 and 201.44
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Solution
The fourth proportional to 210.44, 315.84 and 201.44 is: 302.33
Step by Step Solution
- Step 1: Write the proportion equation
210.44 : 315.84 = 201.44 : x - Step 2: Convert to fraction form
210.44/315.84 = 201.44/x - Step 3: Cross multiply
210.44x = 315.84 × 201.44 - Step 4: Simplify right side
210.44x = 63,622.81 - Step 5: Solve for x
x = 63,622.81/210.44 - Step 6: Final answer
x = 302.33
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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.