Finding the Fourth Proportional to 247.21, 370.21 and 199.02
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Solution
The fourth proportional to 247.21, 370.21 and 199.02 is: 298.04
Step by Step Solution
- Step 1: Write the proportion equation
247.21 : 370.21 = 199.02 : x - Step 2: Convert to fraction form
247.21/370.21 = 199.02/x - Step 3: Cross multiply
247.21x = 370.21 × 199.02 - Step 4: Simplify right side
247.21x = 73,679.19 - Step 5: Solve for x
x = 73,679.19/247.21 - Step 6: Final answer
x = 298.04
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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.