Finding the Fourth Proportional to 910.44, 1,365.63 and 261.18
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Solution
The fourth proportional to 910.44, 1,365.63 and 261.18 is: 391.76
Step by Step Solution
- Step 1: Write the proportion equation
910.44 : 1,365.63 = 261.18 : x - Step 2: Convert to fraction form
910.44/1,365.63 = 261.18/x - Step 3: Cross multiply
910.44x = 1,365.63 × 261.18 - Step 4: Simplify right side
910.44x = 356,675.24 - Step 5: Solve for x
x = 356,675.24/910.44 - Step 6: Final answer
x = 391.76
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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.