Finding the Fourth Proportional to 35.63, 53.16 and 34.49
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Solution
The fourth proportional to 35.63, 53.16 and 34.49 is: 51.45
Step by Step Solution
- Step 1: Write the proportion equation
35.63 : 53.16 = 34.49 : x - Step 2: Convert to fraction form
35.63/53.16 = 34.49/x - Step 3: Cross multiply
35.63x = 53.16 × 34.49 - Step 4: Simplify right side
35.63x = 1,833.32 - Step 5: Solve for x
x = 1,833.32/35.63 - Step 6: Final answer
x = 51.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.