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Finding the Fourth Proportional to 1,232.83, 1,701.30 and 673.30

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Solution

The fourth proportional to 1,232.83, 1,701.30 and 673.30 is: 929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.83 : 1,701.30 = 673.30 : x
  2. Step 2: Convert to fraction form
    1,232.83/1,701.30 = 673.30/x
  3. Step 3: Cross multiply
    1,232.83x = 1,701.30 × 673.30
  4. Step 4: Simplify right side
    1,232.83x = 1,145,487.55
  5. Step 5: Solve for x
    x = 1,145,487.55/1,232.83
  6. Step 6: Final answer
    x = 929.15

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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.