Finding the Fourth Proportional to 757.32, 1,136 and 294.99
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Solution
The fourth proportional to 757.32, 1,136 and 294.99 is: 442.49
Step by Step Solution
- Step 1: Write the proportion equation
757.32 : 1,136 = 294.99 : x - Step 2: Convert to fraction form
757.32/1,136 = 294.99/x - Step 3: Cross multiply
757.32x = 1,136 × 294.99 - Step 4: Simplify right side
757.32x = 335,108.64 - Step 5: Solve for x
x = 335,108.64/757.32 - Step 6: Final answer
x = 442.49
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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.