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Finding the Fourth Proportional to 735.45, 1,102.71 and 334.65

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Solution

The fourth proportional to 735.45, 1,102.71 and 334.65 is: 501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.45 : 1,102.71 = 334.65 : x
  2. Step 2: Convert to fraction form
    735.45/1,102.71 = 334.65/x
  3. Step 3: Cross multiply
    735.45x = 1,102.71 × 334.65
  4. Step 4: Simplify right side
    735.45x = 369,021.90
  5. Step 5: Solve for x
    x = 369,021.90/735.45
  6. Step 6: Final answer
    x = 501.76

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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.