Finding the Fourth Proportional to 309.98, 464.99 and 93.62
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Solution
The fourth proportional to 309.98, 464.99 and 93.62 is: 140.44
Step by Step Solution
- Step 1: Write the proportion equation
309.98 : 464.99 = 93.62 : x - Step 2: Convert to fraction form
309.98/464.99 = 93.62/x - Step 3: Cross multiply
309.98x = 464.99 × 93.62 - Step 4: Simplify right side
309.98x = 43,533.06 - Step 5: Solve for x
x = 43,533.06/309.98 - Step 6: Final answer
x = 140.44
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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.