Finding the Fourth Proportional to 452.84, 678 and 232.99
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Solution
The fourth proportional to 452.84, 678 and 232.99 is: 348.84
Step by Step Solution
- Step 1: Write the proportion equation
452.84 : 678 = 232.99 : x - Step 2: Convert to fraction form
452.84/678 = 232.99/x - Step 3: Cross multiply
452.84x = 678 × 232.99 - Step 4: Simplify right side
452.84x = 157,967.22 - Step 5: Solve for x
x = 157,967.22/452.84 - Step 6: Final answer
x = 348.84
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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.