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Finding the Fourth Proportional to 638.01, 954.50 and 633.33

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Solution

The fourth proportional to 638.01, 954.50 and 633.33 is: 947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    638.01 : 954.50 = 633.33 : x
  2. Step 2: Convert to fraction form
    638.01/954.50 = 633.33/x
  3. Step 3: Cross multiply
    638.01x = 954.50 × 633.33
  4. Step 4: Simplify right side
    638.01x = 604,510.32
  5. Step 5: Solve for x
    x = 604,510.32/638.01
  6. Step 6: Final answer
    x = 947.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.