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Finding the Fourth Proportional to 1,091.98, 1,506.90 and 594.64

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Solution

The fourth proportional to 1,091.98, 1,506.90 and 594.64 is: 820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091.98 : 1,506.90 = 594.64 : x
  2. Step 2: Convert to fraction form
    1,091.98/1,506.90 = 594.64/x
  3. Step 3: Cross multiply
    1,091.98x = 1,506.90 × 594.64
  4. Step 4: Simplify right side
    1,091.98x = 896,067.13
  5. Step 5: Solve for x
    x = 896,067.13/1,091.98
  6. Step 6: Final answer
    x = 820.59

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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.