Finding the Fourth Proportional to 365.79, 547.99 and 159.99
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Solution
The fourth proportional to 365.79, 547.99 and 159.99 is: 239.68
Step by Step Solution
- Step 1: Write the proportion equation
365.79 : 547.99 = 159.99 : x - Step 2: Convert to fraction form
365.79/547.99 = 159.99/x - Step 3: Cross multiply
365.79x = 547.99 × 159.99 - Step 4: Simplify right side
365.79x = 87,672.92 - Step 5: Solve for x
x = 87,672.92/365.79 - Step 6: Final answer
x = 239.68
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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.