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Finding the Fourth Proportional to 900.01, 1,349.49 and 754.68

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Solution

The fourth proportional to 900.01, 1,349.49 and 754.68 is: 1,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    900.01 : 1,349.49 = 754.68 : x
  2. Step 2: Convert to fraction form
    900.01/1,349.49 = 754.68/x
  3. Step 3: Cross multiply
    900.01x = 1,349.49 × 754.68
  4. Step 4: Simplify right side
    900.01x = 1,018,433.11
  5. Step 5: Solve for x
    x = 1,018,433.11/900.01
  6. Step 6: Final answer
    x = 1,131.58

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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.