Finding the Fourth Proportional to 93.53, 140.21 and 44.75
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Solution
The fourth proportional to 93.53, 140.21 and 44.75 is: 67.09
Step by Step Solution
- Step 1: Write the proportion equation
93.53 : 140.21 = 44.75 : x - Step 2: Convert to fraction form
93.53/140.21 = 44.75/x - Step 3: Cross multiply
93.53x = 140.21 × 44.75 - Step 4: Simplify right side
93.53x = 6,274.86 - Step 5: Solve for x
x = 6,274.86/93.53 - Step 6: Final answer
x = 67.09
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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.