Finding the Fourth Proportional to 433.29, 649.84 and 125.08
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Solution
The fourth proportional to 433.29, 649.84 and 125.08 is: 187.59
Step by Step Solution
- Step 1: Write the proportion equation
433.29 : 649.84 = 125.08 : x - Step 2: Convert to fraction form
433.29/649.84 = 125.08/x - Step 3: Cross multiply
433.29x = 649.84 × 125.08 - Step 4: Simplify right side
433.29x = 81,281.99 - Step 5: Solve for x
x = 81,281.99/433.29 - Step 6: Final answer
x = 187.59
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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.