Finding the Fourth Proportional to 155.99, 233.99 and 83.99
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Solution
The fourth proportional to 155.99, 233.99 and 83.99 is: 125.99
Step by Step Solution
- Step 1: Write the proportion equation
155.99 : 233.99 = 83.99 : x - Step 2: Convert to fraction form
155.99/233.99 = 83.99/x - Step 3: Cross multiply
155.99x = 233.99 × 83.99 - Step 4: Simplify right side
155.99x = 19,652.82 - Step 5: Solve for x
x = 19,652.82/155.99 - Step 6: Final answer
x = 125.99
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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.