Finding the Fourth Proportional to 1,099.68, 1,649.34 and 330
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Solution
The fourth proportional to 1,099.68, 1,649.34 and 330 is: 494.95
Step by Step Solution
- Step 1: Write the proportion equation
1,099.68 : 1,649.34 = 330 : x - Step 2: Convert to fraction form
1,099.68/1,649.34 = 330/x - Step 3: Cross multiply
1,099.68x = 1,649.34 × 330 - Step 4: Simplify right side
1,099.68x = 544,282.20 - Step 5: Solve for x
x = 544,282.20/1,099.68 - Step 6: Final answer
x = 494.95
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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.