Finding the Fourth Proportional to 905.99, 1,250.23 and 513.02
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Solution
The fourth proportional to 905.99, 1,250.23 and 513.02 is: 707.95
Step by Step Solution
- Step 1: Write the proportion equation
905.99 : 1,250.23 = 513.02 : x - Step 2: Convert to fraction form
905.99/1,250.23 = 513.02/x - Step 3: Cross multiply
905.99x = 1,250.23 × 513.02 - Step 4: Simplify right side
905.99x = 641,392.99 - Step 5: Solve for x
x = 641,392.99/905.99 - Step 6: Final answer
x = 707.95
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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.