Finding the Fourth Proportional to 178.99, 246.42 and 170.32
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Solution
The fourth proportional to 178.99, 246.42 and 170.32 is: 234.48
Step by Step Solution
- Step 1: Write the proportion equation
178.99 : 246.42 = 170.32 : x - Step 2: Convert to fraction form
178.99/246.42 = 170.32/x - Step 3: Cross multiply
178.99x = 246.42 × 170.32 - Step 4: Simplify right side
178.99x = 41,970.25 - Step 5: Solve for x
x = 41,970.25/178.99 - Step 6: Final answer
x = 234.48
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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.