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Finding the Fourth Proportional to 1,258.91, 1,887.59 and 600.99

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Solution

The fourth proportional to 1,258.91, 1,887.59 and 600.99 is: 901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258.91 : 1,887.59 = 600.99 : x
  2. Step 2: Convert to fraction form
    1,258.91/1,887.59 = 600.99/x
  3. Step 3: Cross multiply
    1,258.91x = 1,887.59 × 600.99
  4. Step 4: Simplify right side
    1,258.91x = 1,134,422.71
  5. Step 5: Solve for x
    x = 1,134,422.71/1,258.91
  6. Step 6: Final answer
    x = 901.12

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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.