Finding the Fourth Proportional to 635.98, 953.14 and 490.99
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Solution
The fourth proportional to 635.98, 953.14 and 490.99 is: 735.84
Step by Step Solution
- Step 1: Write the proportion equation
635.98 : 953.14 = 490.99 : x - Step 2: Convert to fraction form
635.98/953.14 = 490.99/x - Step 3: Cross multiply
635.98x = 953.14 × 490.99 - Step 4: Simplify right side
635.98x = 467,982.21 - Step 5: Solve for x
x = 467,982.21/635.98 - Step 6: Final answer
x = 735.84
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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.