Finding the Fourth Proportional to 202.84, 304.44 and 130.84
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Solution
The fourth proportional to 202.84, 304.44 and 130.84 is: 196.38
Step by Step Solution
- Step 1: Write the proportion equation
202.84 : 304.44 = 130.84 : x - Step 2: Convert to fraction form
202.84/304.44 = 130.84/x - Step 3: Cross multiply
202.84x = 304.44 × 130.84 - Step 4: Simplify right side
202.84x = 39,832.93 - Step 5: Solve for x
x = 39,832.93/202.84 - Step 6: Final answer
x = 196.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.