Finding the Fourth Proportional to 695.79, 1,042.97 and 348.62
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Solution
The fourth proportional to 695.79, 1,042.97 and 348.62 is: 522.56
Step by Step Solution
- Step 1: Write the proportion equation
695.79 : 1,042.97 = 348.62 : x - Step 2: Convert to fraction form
695.79/1,042.97 = 348.62/x - Step 3: Cross multiply
695.79x = 1,042.97 × 348.62 - Step 4: Simplify right side
695.79x = 363,593.24 - Step 5: Solve for x
x = 363,593.24/695.79 - Step 6: Final answer
x = 522.56
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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.