Finding the Fourth Proportional to 246.21, 368.30 and 202.39
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Solution
The fourth proportional to 246.21, 368.30 and 202.39 is: 302.75
Step by Step Solution
- Step 1: Write the proportion equation
246.21 : 368.30 = 202.39 : x - Step 2: Convert to fraction form
246.21/368.30 = 202.39/x - Step 3: Cross multiply
246.21x = 368.30 × 202.39 - Step 4: Simplify right side
246.21x = 74,540.24 - Step 5: Solve for x
x = 74,540.24/246.21 - Step 6: Final answer
x = 302.75
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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.