Finding the Fourth Proportional to 1,353.68, 2,030.84 and 488
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Solution
The fourth proportional to 1,353.68, 2,030.84 and 488 is: 732.12
Step by Step Solution
- Step 1: Write the proportion equation
1,353.68 : 2,030.84 = 488 : x - Step 2: Convert to fraction form
1,353.68/2,030.84 = 488/x - Step 3: Cross multiply
1,353.68x = 2,030.84 × 488 - Step 4: Simplify right side
1,353.68x = 991,049.92 - Step 5: Solve for x
x = 991,049.92/1,353.68 - Step 6: Final answer
x = 732.12
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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.