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Finding the Fourth Proportional to 483.32, 667.63 and 476.27

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Solution

The fourth proportional to 483.32, 667.63 and 476.27 is: 657.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.32 : 667.63 = 476.27 : x
  2. Step 2: Convert to fraction form
    483.32/667.63 = 476.27/x
  3. Step 3: Cross multiply
    483.32x = 667.63 × 476.27
  4. Step 4: Simplify right side
    483.32x = 317,967.61
  5. Step 5: Solve for x
    x = 317,967.61/483.32
  6. Step 6: Final answer
    x = 657.88

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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.