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Finding the Fourth Proportional to 1,067.60, 1,473.32 and 601.84

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Solution

The fourth proportional to 1,067.60, 1,473.32 and 601.84 is: 830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.60 : 1,473.32 = 601.84 : x
  2. Step 2: Convert to fraction form
    1,067.60/1,473.32 = 601.84/x
  3. Step 3: Cross multiply
    1,067.60x = 1,473.32 × 601.84
  4. Step 4: Simplify right side
    1,067.60x = 886,702.91
  5. Step 5: Solve for x
    x = 886,702.91/1,067.60
  6. Step 6: Final answer
    x = 830.56

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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.