Finding the Fourth Proportional to 79.13, 118.70 and 22.13
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Solution
The fourth proportional to 79.13, 118.70 and 22.13 is: 33.19
Step by Step Solution
- Step 1: Write the proportion equation
79.13 : 118.70 = 22.13 : x - Step 2: Convert to fraction form
79.13/118.70 = 22.13/x - Step 3: Cross multiply
79.13x = 118.70 × 22.13 - Step 4: Simplify right side
79.13x = 2,626.13 - Step 5: Solve for x
x = 2,626.13/79.13 - Step 6: Final answer
x = 33.19
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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.