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Finding the Fourth Proportional to 736.36, 1,104.54 and 340.98

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Solution

The fourth proportional to 736.36, 1,104.54 and 340.98 is: 511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.36 : 1,104.54 = 340.98 : x
  2. Step 2: Convert to fraction form
    736.36/1,104.54 = 340.98/x
  3. Step 3: Cross multiply
    736.36x = 1,104.54 × 340.98
  4. Step 4: Simplify right side
    736.36x = 376,620.63
  5. Step 5: Solve for x
    x = 376,620.63/736.36
  6. Step 6: Final answer
    x = 511.46

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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.