Finding the Fourth Proportional to 372, 558.23 and 272.99
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Solution
The fourth proportional to 372, 558.23 and 272.99 is: 409.65
Step by Step Solution
- Step 1: Write the proportion equation
372 : 558.23 = 272.99 : x - Step 2: Convert to fraction form
372/558.23 = 272.99/x - Step 3: Cross multiply
372x = 558.23 × 272.99 - Step 4: Simplify right side
372x = 152,391.21 - Step 5: Solve for x
x = 152,391.21/372 - Step 6: Final answer
x = 409.65
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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.