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Finding the Fourth Proportional to 735.38, 1,014.83 and 403.82

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Solution

The fourth proportional to 735.38, 1,014.83 and 403.82 is: 557.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.38 : 1,014.83 = 403.82 : x
  2. Step 2: Convert to fraction form
    735.38/1,014.83 = 403.82/x
  3. Step 3: Cross multiply
    735.38x = 1,014.83 × 403.82
  4. Step 4: Simplify right side
    735.38x = 409,808.65
  5. Step 5: Solve for x
    x = 409,808.65/735.38
  6. Step 6: Final answer
    x = 557.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.