Finding the Fourth Proportional to 310.49, 465.58 and 104.99
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Solution
The fourth proportional to 310.49, 465.58 and 104.99 is: 157.42
Step by Step Solution
- Step 1: Write the proportion equation
310.49 : 465.58 = 104.99 : x - Step 2: Convert to fraction form
310.49/465.58 = 104.99/x - Step 3: Cross multiply
310.49x = 465.58 × 104.99 - Step 4: Simplify right side
310.49x = 48,878.65 - Step 5: Solve for x
x = 48,878.65/310.49 - Step 6: Final answer
x = 157.42
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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.