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Finding the Fourth Proportional to 637.98, 881.51 and 527.27

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Solution

The fourth proportional to 637.98, 881.51 and 527.27 is: 728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.98 : 881.51 = 527.27 : x
  2. Step 2: Convert to fraction form
    637.98/881.51 = 527.27/x
  3. Step 3: Cross multiply
    637.98x = 881.51 × 527.27
  4. Step 4: Simplify right side
    637.98x = 464,786.73
  5. Step 5: Solve for x
    x = 464,786.73/637.98
  6. Step 6: Final answer
    x = 728.53

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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.