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Finding the Fourth Proportional to 1,235.30, 1,704.71 and 793.37

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Solution

The fourth proportional to 1,235.30, 1,704.71 and 793.37 is: 1,094.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235.30 : 1,704.71 = 793.37 : x
  2. Step 2: Convert to fraction form
    1,235.30/1,704.71 = 793.37/x
  3. Step 3: Cross multiply
    1,235.30x = 1,704.71 × 793.37
  4. Step 4: Simplify right side
    1,235.30x = 1,352,461.81
  5. Step 5: Solve for x
    x = 1,352,461.81/1,235.30
  6. Step 6: Final answer
    x = 1,094.84

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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.