Finding the Fourth Proportional to 246.94, 370.26 and 84.58
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Solution
The fourth proportional to 246.94, 370.26 and 84.58 is: 126.82
Step by Step Solution
- Step 1: Write the proportion equation
246.94 : 370.26 = 84.58 : x - Step 2: Convert to fraction form
246.94/370.26 = 84.58/x - Step 3: Cross multiply
246.94x = 370.26 × 84.58 - Step 4: Simplify right side
246.94x = 31,316.59 - Step 5: Solve for x
x = 31,316.59/246.94 - Step 6: Final answer
x = 126.82
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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.