Finding the Fourth Proportional to 204.99, 284.06 and 202.49
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Solution
The fourth proportional to 204.99, 284.06 and 202.49 is: 280.58
Step by Step Solution
- Step 1: Write the proportion equation
204.99 : 284.06 = 202.49 : x - Step 2: Convert to fraction form
204.99/284.06 = 202.49/x - Step 3: Cross multiply
204.99x = 284.06 × 202.49 - Step 4: Simplify right side
204.99x = 57,516.88 - Step 5: Solve for x
x = 57,516.88/204.99 - Step 6: Final answer
x = 280.58
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.