Finding the Fourth Proportional to 110.18, 165.08 and 79.74
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Solution
The fourth proportional to 110.18, 165.08 and 79.74 is: 119.47
Step by Step Solution
- Step 1: Write the proportion equation
110.18 : 165.08 = 79.74 : x - Step 2: Convert to fraction form
110.18/165.08 = 79.74/x - Step 3: Cross multiply
110.18x = 165.08 × 79.74 - Step 4: Simplify right side
110.18x = 13,163.08 - Step 5: Solve for x
x = 13,163.08/110.18 - Step 6: Final answer
x = 119.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.