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Finding the Fourth Proportional to 1,063.11, 1,467.01 and 590.98

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Solution

The fourth proportional to 1,063.11, 1,467.01 and 590.98 is: 815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.11 : 1,467.01 = 590.98 : x
  2. Step 2: Convert to fraction form
    1,063.11/1,467.01 = 590.98/x
  3. Step 3: Cross multiply
    1,063.11x = 1,467.01 × 590.98
  4. Step 4: Simplify right side
    1,063.11x = 866,973.57
  5. Step 5: Solve for x
    x = 866,973.57/1,063.11
  6. Step 6: Final answer
    x = 815.51

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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.