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Finding the Fourth Proportional to 654.35, 975.56 and 637.52

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Solution

The fourth proportional to 654.35, 975.56 and 637.52 is: 950.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.35 : 975.56 = 637.52 : x
  2. Step 2: Convert to fraction form
    654.35/975.56 = 637.52/x
  3. Step 3: Cross multiply
    654.35x = 975.56 × 637.52
  4. Step 4: Simplify right side
    654.35x = 621,930.95
  5. Step 5: Solve for x
    x = 621,930.95/654.35
  6. Step 6: Final answer
    x = 950.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.