Finding the Fourth Proportional to 383.99, 575.99 and 110.09
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Solution
The fourth proportional to 383.99, 575.99 and 110.09 is: 165.13
Step by Step Solution
- Step 1: Write the proportion equation
383.99 : 575.99 = 110.09 : x - Step 2: Convert to fraction form
383.99/575.99 = 110.09/x - Step 3: Cross multiply
383.99x = 575.99 × 110.09 - Step 4: Simplify right side
383.99x = 63,407.31 - Step 5: Solve for x
x = 63,407.31/383.99 - Step 6: Final answer
x = 165.13
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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.