Finding the Fourth Proportional to 246.99, 369.98 and 138.55
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Solution
The fourth proportional to 246.99, 369.98 and 138.55 is: 207.54
Step by Step Solution
- Step 1: Write the proportion equation
246.99 : 369.98 = 138.55 : x - Step 2: Convert to fraction form
246.99/369.98 = 138.55/x - Step 3: Cross multiply
246.99x = 369.98 × 138.55 - Step 4: Simplify right side
246.99x = 51,260.32 - Step 5: Solve for x
x = 51,260.32/246.99 - Step 6: Final answer
x = 207.54
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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.