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Finding the Fourth Proportional to 637.05, 877.45 and 633.27

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Solution

The fourth proportional to 637.05, 877.45 and 633.27 is: 872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.05 : 877.45 = 633.27 : x
  2. Step 2: Convert to fraction form
    637.05/877.45 = 633.27/x
  3. Step 3: Cross multiply
    637.05x = 877.45 × 633.27
  4. Step 4: Simplify right side
    637.05x = 555,662.76
  5. Step 5: Solve for x
    x = 555,662.76/637.05
  6. Step 6: Final answer
    x = 872.24

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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.