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Finding the Fourth Proportional to 183.26, 253.20 and 146.69

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Solution

The fourth proportional to 183.26, 253.20 and 146.69 is: 202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.26 : 253.20 = 146.69 : x
  2. Step 2: Convert to fraction form
    183.26/253.20 = 146.69/x
  3. Step 3: Cross multiply
    183.26x = 253.20 × 146.69
  4. Step 4: Simplify right side
    183.26x = 37,141.91
  5. Step 5: Solve for x
    x = 37,141.91/183.26
  6. Step 6: Final answer
    x = 202.67

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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.