Finding the Fourth Proportional to 70.37, 97.44 and 68.99
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Solution
The fourth proportional to 70.37, 97.44 and 68.99 is: 95.52
Step by Step Solution
- Step 1: Write the proportion equation
70.37 : 97.44 = 68.99 : x - Step 2: Convert to fraction form
70.37/97.44 = 68.99/x - Step 3: Cross multiply
70.37x = 97.44 × 68.99 - Step 4: Simplify right side
70.37x = 6,721.64 - Step 5: Solve for x
x = 6,721.64/70.37 - Step 6: Final answer
x = 95.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.