Finding the Fourth Proportional to 893, 1,230.99 and 767.99
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Solution
The fourth proportional to 893, 1,230.99 and 767.99 is: 1,058.67
Step by Step Solution
- Step 1: Write the proportion equation
893 : 1,230.99 = 767.99 : x - Step 2: Convert to fraction form
893/1,230.99 = 767.99/x - Step 3: Cross multiply
893x = 1,230.99 × 767.99 - Step 4: Simplify right side
893x = 945,388.01 - Step 5: Solve for x
x = 945,388.01/893 - Step 6: Final answer
x = 1,058.67
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.