Finding the Fourth Proportional to 246.21, 368.97 and 130.42
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Solution
The fourth proportional to 246.21, 368.97 and 130.42 is: 195.45
Step by Step Solution
- Step 1: Write the proportion equation
246.21 : 368.97 = 130.42 : x - Step 2: Convert to fraction form
246.21/368.97 = 130.42/x - Step 3: Cross multiply
246.21x = 368.97 × 130.42 - Step 4: Simplify right side
246.21x = 48,121.07 - Step 5: Solve for x
x = 48,121.07/246.21 - Step 6: Final answer
x = 195.45
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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.