Finding the Fourth Proportional to 35.16, 48.51 and 28.26
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Solution
The fourth proportional to 35.16, 48.51 and 28.26 is: 38.99
Step by Step Solution
- Step 1: Write the proportion equation
35.16 : 48.51 = 28.26 : x - Step 2: Convert to fraction form
35.16/48.51 = 28.26/x - Step 3: Cross multiply
35.16x = 48.51 × 28.26 - Step 4: Simplify right side
35.16x = 1,370.89 - Step 5: Solve for x
x = 1,370.89/35.16 - Step 6: Final answer
x = 38.99
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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.