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Finding the Fourth Proportional to 376.35, 564.66 and 170.77

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Solution

The fourth proportional to 376.35, 564.66 and 170.77 is: 256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.35 : 564.66 = 170.77 : x
  2. Step 2: Convert to fraction form
    376.35/564.66 = 170.77/x
  3. Step 3: Cross multiply
    376.35x = 564.66 × 170.77
  4. Step 4: Simplify right side
    376.35x = 96,425.58
  5. Step 5: Solve for x
    x = 96,425.58/376.35
  6. Step 6: Final answer
    x = 256.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.