Finding the Fourth Proportional to 1,172.69, 1,759.37 and 350.99
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Solution
The fourth proportional to 1,172.69, 1,759.37 and 350.99 is: 526.58
Step by Step Solution
- Step 1: Write the proportion equation
1,172.69 : 1,759.37 = 350.99 : x - Step 2: Convert to fraction form
1,172.69/1,759.37 = 350.99/x - Step 3: Cross multiply
1,172.69x = 1,759.37 × 350.99 - Step 4: Simplify right side
1,172.69x = 617,510.72 - Step 5: Solve for x
x = 617,510.72/1,172.69 - Step 6: Final answer
x = 526.58
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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.