Finding the Fourth Proportional to 1,195.14, 1,792.21 and 372.99
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Solution
The fourth proportional to 1,195.14, 1,792.21 and 372.99 is: 559.33
Step by Step Solution
- Step 1: Write the proportion equation
1,195.14 : 1,792.21 = 372.99 : x - Step 2: Convert to fraction form
1,195.14/1,792.21 = 372.99/x - Step 3: Cross multiply
1,195.14x = 1,792.21 × 372.99 - Step 4: Simplify right side
1,195.14x = 668,476.41 - Step 5: Solve for x
x = 668,476.41/1,195.14 - Step 6: Final answer
x = 559.33
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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.