Finding the Fourth Proportional to 257.84, 355.29 and 174.95
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Solution
The fourth proportional to 257.84, 355.29 and 174.95 is: 241.07
Step by Step Solution
- Step 1: Write the proportion equation
257.84 : 355.29 = 174.95 : x - Step 2: Convert to fraction form
257.84/355.29 = 174.95/x - Step 3: Cross multiply
257.84x = 355.29 × 174.95 - Step 4: Simplify right side
257.84x = 62,157.99 - Step 5: Solve for x
x = 62,157.99/257.84 - Step 6: Final answer
x = 241.07
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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.