Finding the Fourth Proportional to 776.22, 1,163.75 and 468
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Solution
The fourth proportional to 776.22, 1,163.75 and 468 is: 701.65
Step by Step Solution
- Step 1: Write the proportion equation
776.22 : 1,163.75 = 468 : x - Step 2: Convert to fraction form
776.22/1,163.75 = 468/x - Step 3: Cross multiply
776.22x = 1,163.75 × 468 - Step 4: Simplify right side
776.22x = 544,635 - Step 5: Solve for x
x = 544,635/776.22 - Step 6: Final answer
x = 701.65
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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.