Finding the Fourth Proportional to 348.23, 522.36 and 153.13
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Solution
The fourth proportional to 348.23, 522.36 and 153.13 is: 229.70
Step by Step Solution
- Step 1: Write the proportion equation
348.23 : 522.36 = 153.13 : x - Step 2: Convert to fraction form
348.23/522.36 = 153.13/x - Step 3: Cross multiply
348.23x = 522.36 × 153.13 - Step 4: Simplify right side
348.23x = 79,988.99 - Step 5: Solve for x
x = 79,988.99/348.23 - Step 6: Final answer
x = 229.70
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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.