Finding the Fourth Proportional to 188.24, 260.97 and 181.55
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Solution
The fourth proportional to 188.24, 260.97 and 181.55 is: 251.70
Step by Step Solution
- Step 1: Write the proportion equation
188.24 : 260.97 = 181.55 : x - Step 2: Convert to fraction form
188.24/260.97 = 181.55/x - Step 3: Cross multiply
188.24x = 260.97 × 181.55 - Step 4: Simplify right side
188.24x = 47,379.08 - Step 5: Solve for x
x = 47,379.08/188.24 - Step 6: Final answer
x = 251.70
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.