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Finding the Fourth Proportional to 1,067.38, 1,472.98 and 601.63

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Solution

The fourth proportional to 1,067.38, 1,472.98 and 601.63 is: 830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.38 : 1,472.98 = 601.63 : x
  2. Step 2: Convert to fraction form
    1,067.38/1,472.98 = 601.63/x
  3. Step 3: Cross multiply
    1,067.38x = 1,472.98 × 601.63
  4. Step 4: Simplify right side
    1,067.38x = 886,181.59
  5. Step 5: Solve for x
    x = 886,181.59/1,067.38
  6. Step 6: Final answer
    x = 830.24

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1.5x scale

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.