Finding the Fourth Proportional to 229.84, 344.58 and 92.76
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Solution
The fourth proportional to 229.84, 344.58 and 92.76 is: 139.07
Step by Step Solution
- Step 1: Write the proportion equation
229.84 : 344.58 = 92.76 : x - Step 2: Convert to fraction form
229.84/344.58 = 92.76/x - Step 3: Cross multiply
229.84x = 344.58 × 92.76 - Step 4: Simplify right side
229.84x = 31,963.24 - Step 5: Solve for x
x = 31,963.24/229.84 - Step 6: Final answer
x = 139.07
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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.