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Finding the Fourth Proportional to 451.37, 675.84 and 377.66

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Solution

The fourth proportional to 451.37, 675.84 and 377.66 is: 565.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.37 : 675.84 = 377.66 : x
  2. Step 2: Convert to fraction form
    451.37/675.84 = 377.66/x
  3. Step 3: Cross multiply
    451.37x = 675.84 × 377.66
  4. Step 4: Simplify right side
    451.37x = 255,240.84
  5. Step 5: Solve for x
    x = 255,240.84/451.37
  6. Step 6: Final answer
    x = 565.48

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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.