Finding the Fourth Proportional to 134.84, 202.09 and 74.02
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Solution
The fourth proportional to 134.84, 202.09 and 74.02 is: 110.94
Step by Step Solution
- Step 1: Write the proportion equation
134.84 : 202.09 = 74.02 : x - Step 2: Convert to fraction form
134.84/202.09 = 74.02/x - Step 3: Cross multiply
134.84x = 202.09 × 74.02 - Step 4: Simplify right side
134.84x = 14,958.70 - Step 5: Solve for x
x = 14,958.70/134.84 - Step 6: Final answer
x = 110.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.