Finding the Fourth Proportional to 1,057.23, 1,584.52 and 536.45
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Solution
The fourth proportional to 1,057.23, 1,584.52 and 536.45 is: 803.99
Step by Step Solution
- Step 1: Write the proportion equation
1,057.23 : 1,584.52 = 536.45 : x - Step 2: Convert to fraction form
1,057.23/1,584.52 = 536.45/x - Step 3: Cross multiply
1,057.23x = 1,584.52 × 536.45 - Step 4: Simplify right side
1,057.23x = 850,006.49 - Step 5: Solve for x
x = 850,006.49/1,057.23 - Step 6: Final answer
x = 803.99
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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.