Finding the Fourth Proportional to 67.53, 92.76 and 58.23
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Solution
The fourth proportional to 67.53, 92.76 and 58.23 is: 79.99
Step by Step Solution
- Step 1: Write the proportion equation
67.53 : 92.76 = 58.23 : x - Step 2: Convert to fraction form
67.53/92.76 = 58.23/x - Step 3: Cross multiply
67.53x = 92.76 × 58.23 - Step 4: Simplify right side
67.53x = 5,401.41 - Step 5: Solve for x
x = 5,401.41/67.53 - Step 6: Final answer
x = 79.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.