Finding the Fourth Proportional to 93.47, 140.07 and 44.70
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Solution
The fourth proportional to 93.47, 140.07 and 44.70 is: 66.99
Step by Step Solution
- Step 1: Write the proportion equation
93.47 : 140.07 = 44.70 : x - Step 2: Convert to fraction form
93.47/140.07 = 44.70/x - Step 3: Cross multiply
93.47x = 140.07 × 44.70 - Step 4: Simplify right side
93.47x = 6,261.13 - Step 5: Solve for x
x = 6,261.13/93.47 - Step 6: Final answer
x = 66.99
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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.