Finding the Fourth Proportional to 1,146, 1,719 and 376.56
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Solution
The fourth proportional to 1,146, 1,719 and 376.56 is: 564.84
Step by Step Solution
- Step 1: Write the proportion equation
1,146 : 1,719 = 376.56 : x - Step 2: Convert to fraction form
1,146/1,719 = 376.56/x - Step 3: Cross multiply
1,146x = 1,719 × 376.56 - Step 4: Simplify right side
1,146x = 647,306.64 - Step 5: Solve for x
x = 647,306.64/1,146 - Step 6: Final answer
x = 564.84
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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.