Finding the Fourth Proportional to 77.36, 116.04 and 26.00
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Solution
The fourth proportional to 77.36, 116.04 and 26.00 is: 39.00
Step by Step Solution
- Step 1: Write the proportion equation
77.36 : 116.04 = 26.00 : x - Step 2: Convert to fraction form
77.36/116.04 = 26.00/x - Step 3: Cross multiply
77.36x = 116.04 × 26.00 - Step 4: Simplify right side
77.36x = 3,016.46 - Step 5: Solve for x
x = 3,016.46/77.36 - Step 6: Final answer
x = 39.00
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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.