Finding the Fourth Proportional to 310.42, 465.70 and 93.99
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Solution
The fourth proportional to 310.42, 465.70 and 93.99 is: 141.01
Step by Step Solution
- Step 1: Write the proportion equation
310.42 : 465.70 = 93.99 : x - Step 2: Convert to fraction form
310.42/465.70 = 93.99/x - Step 3: Cross multiply
310.42x = 465.70 × 93.99 - Step 4: Simplify right side
310.42x = 43,771.14 - Step 5: Solve for x
x = 43,771.14/310.42 - Step 6: Final answer
x = 141.01
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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.