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Finding the Fourth Proportional to 633.32, 942.88 and 630.27

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Solution

The fourth proportional to 633.32, 942.88 and 630.27 is: 938.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.32 : 942.88 = 630.27 : x
  2. Step 2: Convert to fraction form
    633.32/942.88 = 630.27/x
  3. Step 3: Cross multiply
    633.32x = 942.88 × 630.27
  4. Step 4: Simplify right side
    633.32x = 594,267.40
  5. Step 5: Solve for x
    x = 594,267.40/633.32
  6. Step 6: Final answer
    x = 938.34

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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.