Finding the Fourth Proportional to 101.63, 140.24 and 57.99
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Solution
The fourth proportional to 101.63, 140.24 and 57.99 is: 80.02
Step by Step Solution
- Step 1: Write the proportion equation
101.63 : 140.24 = 57.99 : x - Step 2: Convert to fraction form
101.63/140.24 = 57.99/x - Step 3: Cross multiply
101.63x = 140.24 × 57.99 - Step 4: Simplify right side
101.63x = 8,132.14 - Step 5: Solve for x
x = 8,132.14/101.63 - Step 6: Final answer
x = 80.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.