Finding the Fourth Proportional to 133.44, 201.08 and 130.56
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Solution
The fourth proportional to 133.44, 201.08 and 130.56 is: 196.74
Step by Step Solution
- Step 1: Write the proportion equation
133.44 : 201.08 = 130.56 : x - Step 2: Convert to fraction form
133.44/201.08 = 130.56/x - Step 3: Cross multiply
133.44x = 201.08 × 130.56 - Step 4: Simplify right side
133.44x = 26,253.00 - Step 5: Solve for x
x = 26,253.00/133.44 - Step 6: Final answer
x = 196.74
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.