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Finding the Fourth Proportional to 633.04, 943.46 and 620.24

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Solution

The fourth proportional to 633.04, 943.46 and 620.24 is: 924.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.04 : 943.46 = 620.24 : x
  2. Step 2: Convert to fraction form
    633.04/943.46 = 620.24/x
  3. Step 3: Cross multiply
    633.04x = 943.46 × 620.24
  4. Step 4: Simplify right side
    633.04x = 585,171.63
  5. Step 5: Solve for x
    x = 585,171.63/633.04
  6. Step 6: Final answer
    x = 924.38

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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.