Finding the Fourth Proportional to 1,193.28, 1,790 and 327.68
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Solution
The fourth proportional to 1,193.28, 1,790 and 327.68 is: 491.54
Step by Step Solution
- Step 1: Write the proportion equation
1,193.28 : 1,790 = 327.68 : x - Step 2: Convert to fraction form
1,193.28/1,790 = 327.68/x - Step 3: Cross multiply
1,193.28x = 1,790 × 327.68 - Step 4: Simplify right side
1,193.28x = 586,547.20 - Step 5: Solve for x
x = 586,547.20/1,193.28 - Step 6: Final answer
x = 491.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.