Finding the Fourth Proportional to 260.99, 391.74 and 124.13
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Solution
The fourth proportional to 260.99, 391.74 and 124.13 is: 186.32
Step by Step Solution
- Step 1: Write the proportion equation
260.99 : 391.74 = 124.13 : x - Step 2: Convert to fraction form
260.99/391.74 = 124.13/x - Step 3: Cross multiply
260.99x = 391.74 × 124.13 - Step 4: Simplify right side
260.99x = 48,626.69 - Step 5: Solve for x
x = 48,626.69/260.99 - Step 6: Final answer
x = 186.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.