Finding the Fourth Proportional to 284.55, 392.61 and 173.99
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Solution
The fourth proportional to 284.55, 392.61 and 173.99 is: 240.06
Step by Step Solution
- Step 1: Write the proportion equation
284.55 : 392.61 = 173.99 : x - Step 2: Convert to fraction form
284.55/392.61 = 173.99/x - Step 3: Cross multiply
284.55x = 392.61 × 173.99 - Step 4: Simplify right side
284.55x = 68,310.21 - Step 5: Solve for x
x = 68,310.21/284.55 - Step 6: Final answer
x = 240.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.