Finding the Fourth Proportional to 370.75, 511.65 and 204.99
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Solution
The fourth proportional to 370.75, 511.65 and 204.99 is: 282.89
Step by Step Solution
- Step 1: Write the proportion equation
370.75 : 511.65 = 204.99 : x - Step 2: Convert to fraction form
370.75/511.65 = 204.99/x - Step 3: Cross multiply
370.75x = 511.65 × 204.99 - Step 4: Simplify right side
370.75x = 104,883.13 - Step 5: Solve for x
x = 104,883.13/370.75 - Step 6: Final answer
x = 282.89
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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.