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Finding the Fourth Proportional to 277.83, 417.23 and 170.25

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Solution

The fourth proportional to 277.83, 417.23 and 170.25 is: 255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.83 : 417.23 = 170.25 : x
  2. Step 2: Convert to fraction form
    277.83/417.23 = 170.25/x
  3. Step 3: Cross multiply
    277.83x = 417.23 × 170.25
  4. Step 4: Simplify right side
    277.83x = 71,032.56
  5. Step 5: Solve for x
    x = 71,032.56/277.83
  6. Step 6: Final answer
    x = 255.67

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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.