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Finding the Fourth Proportional to 183.46, 253.14 and 105.88

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Solution

The fourth proportional to 183.46, 253.14 and 105.88 is: 146.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.46 : 253.14 = 105.88 : x
  2. Step 2: Convert to fraction form
    183.46/253.14 = 105.88/x
  3. Step 3: Cross multiply
    183.46x = 253.14 × 105.88
  4. Step 4: Simplify right side
    183.46x = 26,802.46
  5. Step 5: Solve for x
    x = 26,802.46/183.46
  6. Step 6: Final answer
    x = 146.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.