Finding the Fourth Proportional to 310.93, 466.62 and 229.99
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Solution
The fourth proportional to 310.93, 466.62 and 229.99 is: 345.15
Step by Step Solution
- Step 1: Write the proportion equation
310.93 : 466.62 = 229.99 : x - Step 2: Convert to fraction form
310.93/466.62 = 229.99/x - Step 3: Cross multiply
310.93x = 466.62 × 229.99 - Step 4: Simplify right side
310.93x = 107,317.93 - Step 5: Solve for x
x = 107,317.93/310.93 - Step 6: Final answer
x = 345.15
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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.