Finding the Fourth Proportional to 178.97, 246.96 and 108.99
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Solution
The fourth proportional to 178.97, 246.96 and 108.99 is: 150.40
Step by Step Solution
- Step 1: Write the proportion equation
178.97 : 246.96 = 108.99 : x - Step 2: Convert to fraction form
178.97/246.96 = 108.99/x - Step 3: Cross multiply
178.97x = 246.96 × 108.99 - Step 4: Simplify right side
178.97x = 26,916.17 - Step 5: Solve for x
x = 26,916.17/178.97 - Step 6: Final answer
x = 150.40
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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.