Finding the Fourth Proportional to 88.94, 133.42 and 43.33
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Solution
The fourth proportional to 88.94, 133.42 and 43.33 is: 64.99
Step by Step Solution
- Step 1: Write the proportion equation
88.94 : 133.42 = 43.33 : x - Step 2: Convert to fraction form
88.94/133.42 = 43.33/x - Step 3: Cross multiply
88.94x = 133.42 × 43.33 - Step 4: Simplify right side
88.94x = 5,780.81 - Step 5: Solve for x
x = 5,780.81/88.94 - Step 6: Final answer
x = 64.99
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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.