Finding the Fourth Proportional to 62.91, 94.23 and 40.05
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Solution
The fourth proportional to 62.91, 94.23 and 40.05 is: 59.99
Step by Step Solution
- Step 1: Write the proportion equation
62.91 : 94.23 = 40.05 : x - Step 2: Convert to fraction form
62.91/94.23 = 40.05/x - Step 3: Cross multiply
62.91x = 94.23 × 40.05 - Step 4: Simplify right side
62.91x = 3,773.91 - Step 5: Solve for x
x = 3,773.91/62.91 - Step 6: Final answer
x = 59.99
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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.