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Finding the Fourth Proportional to 383.51, 575.26 and 167.24

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Solution

The fourth proportional to 383.51, 575.26 and 167.24 is: 250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.51 : 575.26 = 167.24 : x
  2. Step 2: Convert to fraction form
    383.51/575.26 = 167.24/x
  3. Step 3: Cross multiply
    383.51x = 575.26 × 167.24
  4. Step 4: Simplify right side
    383.51x = 96,203.19
  5. Step 5: Solve for x
    x = 96,203.19/383.51
  6. Step 6: Final answer
    x = 250.85

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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.