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Finding the Fourth Proportional to 735.58, 1,015.22 and 441.01

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Solution

The fourth proportional to 735.58, 1,015.22 and 441.01 is: 608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.58 : 1,015.22 = 441.01 : x
  2. Step 2: Convert to fraction form
    735.58/1,015.22 = 441.01/x
  3. Step 3: Cross multiply
    735.58x = 1,015.22 × 441.01
  4. Step 4: Simplify right side
    735.58x = 447,714.89
  5. Step 5: Solve for x
    x = 447,714.89/735.58
  6. Step 6: Final answer
    x = 608.66

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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.