Finding the Fourth Proportional to 755.98, 1,134.08 and 268.99
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Solution
The fourth proportional to 755.98, 1,134.08 and 268.99 is: 403.52
Step by Step Solution
- Step 1: Write the proportion equation
755.98 : 1,134.08 = 268.99 : x - Step 2: Convert to fraction form
755.98/1,134.08 = 268.99/x - Step 3: Cross multiply
755.98x = 1,134.08 × 268.99 - Step 4: Simplify right side
755.98x = 305,056.18 - Step 5: Solve for x
x = 305,056.18/755.98 - Step 6: Final answer
x = 403.52
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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.