Finding the Fourth Proportional to 110.10, 165.19 and 49.19
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Solution
The fourth proportional to 110.10, 165.19 and 49.19 is: 73.80
Step by Step Solution
- Step 1: Write the proportion equation
110.10 : 165.19 = 49.19 : x - Step 2: Convert to fraction form
110.10/165.19 = 49.19/x - Step 3: Cross multiply
110.10x = 165.19 × 49.19 - Step 4: Simplify right side
110.10x = 8,125.41 - Step 5: Solve for x
x = 8,125.41/110.10 - Step 6: Final answer
x = 73.80
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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.