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Finding the Fourth Proportional to 255.01, 383.28 and 164.29

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Solution

The fourth proportional to 255.01, 383.28 and 164.29 is: 246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.01 : 383.28 = 164.29 : x
  2. Step 2: Convert to fraction form
    255.01/383.28 = 164.29/x
  3. Step 3: Cross multiply
    255.01x = 383.28 × 164.29
  4. Step 4: Simplify right side
    255.01x = 62,969.07
  5. Step 5: Solve for x
    x = 62,969.07/255.01
  6. Step 6: Final answer
    x = 246.93

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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.