Finding the Fourth Proportional to 649.24, 972.99 and 237.99
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Solution
The fourth proportional to 649.24, 972.99 and 237.99 is: 356.66
Step by Step Solution
- Step 1: Write the proportion equation
649.24 : 972.99 = 237.99 : x - Step 2: Convert to fraction form
649.24/972.99 = 237.99/x - Step 3: Cross multiply
649.24x = 972.99 × 237.99 - Step 4: Simplify right side
649.24x = 231,559.40 - Step 5: Solve for x
x = 231,559.40/649.24 - Step 6: Final answer
x = 356.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.