Finding the Fourth Proportional to 965.24, 1,330.99 and 743.70
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Solution
The fourth proportional to 965.24, 1,330.99 and 743.70 is: 1,025.50
Step by Step Solution
- Step 1: Write the proportion equation
965.24 : 1,330.99 = 743.70 : x - Step 2: Convert to fraction form
965.24/1,330.99 = 743.70/x - Step 3: Cross multiply
965.24x = 1,330.99 × 743.70 - Step 4: Simplify right side
965.24x = 989,857.26 - Step 5: Solve for x
x = 989,857.26/965.24 - Step 6: Final answer
x = 1,025.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.