Finding the Fourth Proportional to 833.50, 1,150.23 and 465.50
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Solution
The fourth proportional to 833.50, 1,150.23 and 465.50 is: 642.39
Step by Step Solution
- Step 1: Write the proportion equation
833.50 : 1,150.23 = 465.50 : x - Step 2: Convert to fraction form
833.50/1,150.23 = 465.50/x - Step 3: Cross multiply
833.50x = 1,150.23 × 465.50 - Step 4: Simplify right side
833.50x = 535,432.07 - Step 5: Solve for x
x = 535,432.07/833.50 - Step 6: Final answer
x = 642.39
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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.