Finding the Fourth Proportional to 284.84, 392.99 and 174.23
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Solution
The fourth proportional to 284.84, 392.99 and 174.23 is: 240.39
Step by Step Solution
- Step 1: Write the proportion equation
284.84 : 392.99 = 174.23 : x - Step 2: Convert to fraction form
284.84/392.99 = 174.23/x - Step 3: Cross multiply
284.84x = 392.99 × 174.23 - Step 4: Simplify right side
284.84x = 68,470.76 - Step 5: Solve for x
x = 68,470.76/284.84 - Step 6: Final answer
x = 240.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.