Finding the Fourth Proportional to 922.65, 1,273.18 and 502.99
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Solution
The fourth proportional to 922.65, 1,273.18 and 502.99 is: 694.08
Step by Step Solution
- Step 1: Write the proportion equation
922.65 : 1,273.18 = 502.99 : x - Step 2: Convert to fraction form
922.65/1,273.18 = 502.99/x - Step 3: Cross multiply
922.65x = 1,273.18 × 502.99 - Step 4: Simplify right side
922.65x = 640,396.81 - Step 5: Solve for x
x = 640,396.81/922.65 - Step 6: Final answer
x = 694.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.