Finding the Fourth Proportional to 626.97, 865.26 and 576.75
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Solution
The fourth proportional to 626.97, 865.26 and 576.75 is: 795.95
Step by Step Solution
- Step 1: Write the proportion equation
626.97 : 865.26 = 576.75 : x - Step 2: Convert to fraction form
626.97/865.26 = 576.75/x - Step 3: Cross multiply
626.97x = 865.26 × 576.75 - Step 4: Simplify right side
626.97x = 499,038.71 - Step 5: Solve for x
x = 499,038.71/626.97 - Step 6: Final answer
x = 795.95
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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.