Finding the Fourth Proportional to 140.84, 211.28 and 44.68
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Solution
The fourth proportional to 140.84, 211.28 and 44.68 is: 67.03
Step by Step Solution
- Step 1: Write the proportion equation
140.84 : 211.28 = 44.68 : x - Step 2: Convert to fraction form
140.84/211.28 = 44.68/x - Step 3: Cross multiply
140.84x = 211.28 × 44.68 - Step 4: Simplify right side
140.84x = 9,439.99 - Step 5: Solve for x
x = 9,439.99/140.84 - Step 6: Final answer
x = 67.03
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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.