Finding the Fourth Proportional to 309.68, 464.44 and 93.28
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Solution
The fourth proportional to 309.68, 464.44 and 93.28 is: 139.90
Step by Step Solution
- Step 1: Write the proportion equation
309.68 : 464.44 = 93.28 : x - Step 2: Convert to fraction form
309.68/464.44 = 93.28/x - Step 3: Cross multiply
309.68x = 464.44 × 93.28 - Step 4: Simplify right side
309.68x = 43,322.96 - Step 5: Solve for x
x = 43,322.96/309.68 - Step 6: Final answer
x = 139.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.