Finding the Fourth Proportional to 393, 541.48 and 292.99
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Solution
The fourth proportional to 393, 541.48 and 292.99 is: 403.68
Step by Step Solution
- Step 1: Write the proportion equation
393 : 541.48 = 292.99 : x - Step 2: Convert to fraction form
393/541.48 = 292.99/x - Step 3: Cross multiply
393x = 541.48 × 292.99 - Step 4: Simplify right side
393x = 158,646.76 - Step 5: Solve for x
x = 158,646.76/393 - Step 6: Final answer
x = 403.68
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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.