Finding the Fourth Proportional to 339.84, 468.99 and 207.15
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Solution
The fourth proportional to 339.84, 468.99 and 207.15 is: 285.87
Step by Step Solution
- Step 1: Write the proportion equation
339.84 : 468.99 = 207.15 : x - Step 2: Convert to fraction form
339.84/468.99 = 207.15/x - Step 3: Cross multiply
339.84x = 468.99 × 207.15 - Step 4: Simplify right side
339.84x = 97,151.28 - Step 5: Solve for x
x = 97,151.28/339.84 - Step 6: Final answer
x = 285.87
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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.