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Finding the Fourth Proportional to 900.06, 1,348.53 and 626.33

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Solution

The fourth proportional to 900.06, 1,348.53 and 626.33 is: 938.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    900.06 : 1,348.53 = 626.33 : x
  2. Step 2: Convert to fraction form
    900.06/1,348.53 = 626.33/x
  3. Step 3: Cross multiply
    900.06x = 1,348.53 × 626.33
  4. Step 4: Simplify right side
    900.06x = 844,624.79
  5. Step 5: Solve for x
    x = 844,624.79/900.06
  6. Step 6: Final answer
    x = 938.41

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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.