Finding the Fourth Proportional to 398.35, 597 and 192.99
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Solution
The fourth proportional to 398.35, 597 and 192.99 is: 289.23
Step by Step Solution
- Step 1: Write the proportion equation
398.35 : 597 = 192.99 : x - Step 2: Convert to fraction form
398.35/597 = 192.99/x - Step 3: Cross multiply
398.35x = 597 × 192.99 - Step 4: Simplify right side
398.35x = 115,215.03 - Step 5: Solve for x
x = 115,215.03/398.35 - Step 6: Final answer
x = 289.23
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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.