Finding the Fourth Proportional to 246.51, 340.11 and 153.26
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Solution
The fourth proportional to 246.51, 340.11 and 153.26 is: 211.45
Step by Step Solution
- Step 1: Write the proportion equation
246.51 : 340.11 = 153.26 : x - Step 2: Convert to fraction form
246.51/340.11 = 153.26/x - Step 3: Cross multiply
246.51x = 340.11 × 153.26 - Step 4: Simplify right side
246.51x = 52,125.26 - Step 5: Solve for x
x = 52,125.26/246.51 - Step 6: Final answer
x = 211.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.