Finding the Fourth Proportional to 403.36, 555.99 and 272.14
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Solution
The fourth proportional to 403.36, 555.99 and 272.14 is: 375.12
Step by Step Solution
- Step 1: Write the proportion equation
403.36 : 555.99 = 272.14 : x - Step 2: Convert to fraction form
403.36/555.99 = 272.14/x - Step 3: Cross multiply
403.36x = 555.99 × 272.14 - Step 4: Simplify right side
403.36x = 151,307.12 - Step 5: Solve for x
x = 151,307.12/403.36 - Step 6: Final answer
x = 375.12
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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.