Finding the Fourth Proportional to 313.11, 468.99 and 276.66
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Solution
The fourth proportional to 313.11, 468.99 and 276.66 is: 414.39
Step by Step Solution
- Step 1: Write the proportion equation
313.11 : 468.99 = 276.66 : x - Step 2: Convert to fraction form
313.11/468.99 = 276.66/x - Step 3: Cross multiply
313.11x = 468.99 × 276.66 - Step 4: Simplify right side
313.11x = 129,750.77 - Step 5: Solve for x
x = 129,750.77/313.11 - Step 6: Final answer
x = 414.39
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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.