Finding the Fourth Proportional to 246.69, 339.08 and 221.58
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Solution
The fourth proportional to 246.69, 339.08 and 221.58 is: 304.56
Step by Step Solution
- Step 1: Write the proportion equation
246.69 : 339.08 = 221.58 : x - Step 2: Convert to fraction form
246.69/339.08 = 221.58/x - Step 3: Cross multiply
246.69x = 339.08 × 221.58 - Step 4: Simplify right side
246.69x = 75,132.24 - Step 5: Solve for x
x = 75,132.24/246.69 - Step 6: Final answer
x = 304.56
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.