Finding the Fourth Proportional to 180.54, 249.08 and 110.55
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Solution
The fourth proportional to 180.54, 249.08 and 110.55 is: 152.52
Step by Step Solution
- Step 1: Write the proportion equation
180.54 : 249.08 = 110.55 : x - Step 2: Convert to fraction form
180.54/249.08 = 110.55/x - Step 3: Cross multiply
180.54x = 249.08 × 110.55 - Step 4: Simplify right side
180.54x = 27,535.24 - Step 5: Solve for x
x = 27,535.24/180.54 - Step 6: Final answer
x = 152.52
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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.