Finding the Fourth Proportional to 816, 1,126.08 and 466.68
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Solution
The fourth proportional to 816, 1,126.08 and 466.68 is: 644.02
Step by Step Solution
- Step 1: Write the proportion equation
816 : 1,126.08 = 466.68 : x - Step 2: Convert to fraction form
816/1,126.08 = 466.68/x - Step 3: Cross multiply
816x = 1,126.08 × 466.68 - Step 4: Simplify right side
816x = 525,519.01 - Step 5: Solve for x
x = 525,519.01/816 - Step 6: Final answer
x = 644.02
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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.