Finding the Fourth Proportional to 1.33, 2 and 1.29
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Solution
The fourth proportional to 1.33, 2 and 1.29 is: 1.94
Step by Step Solution
- Step 1: Write the proportion equation
1.33 : 2 = 1.29 : x - Step 2: Convert to fraction form
1.33/2 = 1.29/x - Step 3: Cross multiply
1.33x = 2 × 1.29 - Step 4: Simplify right side
1.33x = 2.58 - Step 5: Solve for x
x = 2.58/1.33 - Step 6: Final answer
x = 1.94
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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.