Finding the Fourth Proportional to 567.99, 783.81 and 331.99
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Solution
The fourth proportional to 567.99, 783.81 and 331.99 is: 458.14
Step by Step Solution
- Step 1: Write the proportion equation
567.99 : 783.81 = 331.99 : x - Step 2: Convert to fraction form
567.99/783.81 = 331.99/x - Step 3: Cross multiply
567.99x = 783.81 × 331.99 - Step 4: Simplify right side
567.99x = 260,217.08 - Step 5: Solve for x
x = 260,217.08/567.99 - Step 6: Final answer
x = 458.14
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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.