Finding the Fourth Proportional to 180.56, 249.18 and 110.68
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Solution
The fourth proportional to 180.56, 249.18 and 110.68 is: 152.74
Step by Step Solution
- Step 1: Write the proportion equation
180.56 : 249.18 = 110.68 : x - Step 2: Convert to fraction form
180.56/249.18 = 110.68/x - Step 3: Cross multiply
180.56x = 249.18 × 110.68 - Step 4: Simplify right side
180.56x = 27,579.24 - Step 5: Solve for x
x = 27,579.24/180.56 - Step 6: Final answer
x = 152.74
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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.