Finding the Fourth Proportional to 93.70, 140.58 and 44.95
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Solution
The fourth proportional to 93.70, 140.58 and 44.95 is: 67.44
Step by Step Solution
- Step 1: Write the proportion equation
93.70 : 140.58 = 44.95 : x - Step 2: Convert to fraction form
93.70/140.58 = 44.95/x - Step 3: Cross multiply
93.70x = 140.58 × 44.95 - Step 4: Simplify right side
93.70x = 6,319.07 - Step 5: Solve for x
x = 6,319.07/93.70 - Step 6: Final answer
x = 67.44
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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.