Finding the Fourth Proportional to 284.24, 425.88 and 202.68
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Solution
The fourth proportional to 284.24, 425.88 and 202.68 is: 303.68
Step by Step Solution
- Step 1: Write the proportion equation
284.24 : 425.88 = 202.68 : x - Step 2: Convert to fraction form
284.24/425.88 = 202.68/x - Step 3: Cross multiply
284.24x = 425.88 × 202.68 - Step 4: Simplify right side
284.24x = 86,317.36 - Step 5: Solve for x
x = 86,317.36/284.24 - Step 6: Final answer
x = 303.68
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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.