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Finding the Fourth Proportional to 1,600.35, 2,398.35 and 906.69

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Solution

The fourth proportional to 1,600.35, 2,398.35 and 906.69 is: 1,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.35 : 2,398.35 = 906.69 : x
  2. Step 2: Convert to fraction form
    1,600.35/2,398.35 = 906.69/x
  3. Step 3: Cross multiply
    1,600.35x = 2,398.35 × 906.69
  4. Step 4: Simplify right side
    1,600.35x = 2,174,559.96
  5. Step 5: Solve for x
    x = 2,174,559.96/1,600.35
  6. Step 6: Final answer
    x = 1,358.80

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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.