Finding the Fourth Proportional to 92.00, 137.33 and 69.05
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Solution
The fourth proportional to 92.00, 137.33 and 69.05 is: 103.07
Step by Step Solution
- Step 1: Write the proportion equation
92.00 : 137.33 = 69.05 : x - Step 2: Convert to fraction form
92.00/137.33 = 69.05/x - Step 3: Cross multiply
92.00x = 137.33 × 69.05 - Step 4: Simplify right side
92.00x = 9,482.89 - Step 5: Solve for x
x = 9,482.89/92.00 - Step 6: Final answer
x = 103.07
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.