Finding the Fourth Proportional to 392.74, 542.26 and 295.03
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Solution
The fourth proportional to 392.74, 542.26 and 295.03 is: 407.35
Step by Step Solution
- Step 1: Write the proportion equation
392.74 : 542.26 = 295.03 : x - Step 2: Convert to fraction form
392.74/542.26 = 295.03/x - Step 3: Cross multiply
392.74x = 542.26 × 295.03 - Step 4: Simplify right side
392.74x = 159,982.97 - Step 5: Solve for x
x = 159,982.97/392.74 - Step 6: Final answer
x = 407.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.