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Finding the Fourth Proportional to 1,090.33, 1,637.31 and 596.45

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Solution

The fourth proportional to 1,090.33, 1,637.31 and 596.45 is: 895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090.33 : 1,637.31 = 596.45 : x
  2. Step 2: Convert to fraction form
    1,090.33/1,637.31 = 596.45/x
  3. Step 3: Cross multiply
    1,090.33x = 1,637.31 × 596.45
  4. Step 4: Simplify right side
    1,090.33x = 976,573.55
  5. Step 5: Solve for x
    x = 976,573.55/1,090.33
  6. Step 6: Final answer
    x = 895.67

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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.