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Finding the Fourth Proportional to 1,258.51, 1,887.73 and 600.86

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Solution

The fourth proportional to 1,258.51, 1,887.73 and 600.86 is: 901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258.51 : 1,887.73 = 600.86 : x
  2. Step 2: Convert to fraction form
    1,258.51/1,887.73 = 600.86/x
  3. Step 3: Cross multiply
    1,258.51x = 1,887.73 × 600.86
  4. Step 4: Simplify right side
    1,258.51x = 1,134,249.00
  5. Step 5: Solve for x
    x = 1,134,249.00/1,258.51
  6. Step 6: Final answer
    x = 901.26

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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.