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Finding the Fourth Proportional to 1,104.12, 1,656.02 and 334.68

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Solution

The fourth proportional to 1,104.12, 1,656.02 and 334.68 is: 501.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.12 : 1,656.02 = 334.68 : x
  2. Step 2: Convert to fraction form
    1,104.12/1,656.02 = 334.68/x
  3. Step 3: Cross multiply
    1,104.12x = 1,656.02 × 334.68
  4. Step 4: Simplify right side
    1,104.12x = 554,236.77
  5. Step 5: Solve for x
    x = 554,236.77/1,104.12
  6. Step 6: Final answer
    x = 501.97

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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.