Finding the Fourth Proportional to 759.16, 1,047.66 and 464.59
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Solution
The fourth proportional to 759.16, 1,047.66 and 464.59 is: 641.15
Step by Step Solution
- Step 1: Write the proportion equation
759.16 : 1,047.66 = 464.59 : x - Step 2: Convert to fraction form
759.16/1,047.66 = 464.59/x - Step 3: Cross multiply
759.16x = 1,047.66 × 464.59 - Step 4: Simplify right side
759.16x = 486,732.36 - Step 5: Solve for x
x = 486,732.36/759.16 - Step 6: Final answer
x = 641.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.