Finding the Fourth Proportional to 370.67, 511.77 and 230.99
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Solution
The fourth proportional to 370.67, 511.77 and 230.99 is: 318.91
Step by Step Solution
- Step 1: Write the proportion equation
370.67 : 511.77 = 230.99 : x - Step 2: Convert to fraction form
370.67/511.77 = 230.99/x - Step 3: Cross multiply
370.67x = 511.77 × 230.99 - Step 4: Simplify right side
370.67x = 118,213.02 - Step 5: Solve for x
x = 118,213.02/370.67 - Step 6: Final answer
x = 318.91
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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.