Finding the Fourth Proportional to 38.05, 56.60 and 34.99
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Solution
The fourth proportional to 38.05, 56.60 and 34.99 is: 52.05
Step by Step Solution
- Step 1: Write the proportion equation
38.05 : 56.60 = 34.99 : x - Step 2: Convert to fraction form
38.05/56.60 = 34.99/x - Step 3: Cross multiply
38.05x = 56.60 × 34.99 - Step 4: Simplify right side
38.05x = 1,980.43 - Step 5: Solve for x
x = 1,980.43/38.05 - Step 6: Final answer
x = 52.05
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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.