Finding the Fourth Proportional to 62.84, 94.14 and 57.80
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Solution
The fourth proportional to 62.84, 94.14 and 57.80 is: 86.59
Step by Step Solution
- Step 1: Write the proportion equation
62.84 : 94.14 = 57.80 : x - Step 2: Convert to fraction form
62.84/94.14 = 57.80/x - Step 3: Cross multiply
62.84x = 94.14 × 57.80 - Step 4: Simplify right side
62.84x = 5,441.29 - Step 5: Solve for x
x = 5,441.29/62.84 - Step 6: Final answer
x = 86.59
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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.