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Finding the Fourth Proportional to 483.02, 665.04 and 377.98

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Solution

The fourth proportional to 483.02, 665.04 and 377.98 is: 520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.02 : 665.04 = 377.98 : x
  2. Step 2: Convert to fraction form
    483.02/665.04 = 377.98/x
  3. Step 3: Cross multiply
    483.02x = 665.04 × 377.98
  4. Step 4: Simplify right side
    483.02x = 251,370.16
  5. Step 5: Solve for x
    x = 251,370.16/483.02
  6. Step 6: Final answer
    x = 520.41

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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.