Finding the Fourth Proportional to 972.57, 1,341.99 and 552.99
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Solution
The fourth proportional to 972.57, 1,341.99 and 552.99 is: 763.04
Step by Step Solution
- Step 1: Write the proportion equation
972.57 : 1,341.99 = 552.99 : x - Step 2: Convert to fraction form
972.57/1,341.99 = 552.99/x - Step 3: Cross multiply
972.57x = 1,341.99 × 552.99 - Step 4: Simplify right side
972.57x = 742,107.05 - Step 5: Solve for x
x = 742,107.05/972.57 - Step 6: Final answer
x = 763.04
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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.