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Finding the Fourth Proportional to 734.02, 1,101.02 and 300.87

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Solution

The fourth proportional to 734.02, 1,101.02 and 300.87 is: 451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.02 : 1,101.02 = 300.87 : x
  2. Step 2: Convert to fraction form
    734.02/1,101.02 = 300.87/x
  3. Step 3: Cross multiply
    734.02x = 1,101.02 × 300.87
  4. Step 4: Simplify right side
    734.02x = 331,262.38
  5. Step 5: Solve for x
    x = 331,262.38/734.02
  6. Step 6: Final answer
    x = 451.30

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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.