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Finding the Fourth Proportional to 1,149.50, 1,724.79 and 601.94

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Solution

The fourth proportional to 1,149.50, 1,724.79 and 601.94 is: 903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.50 : 1,724.79 = 601.94 : x
  2. Step 2: Convert to fraction form
    1,149.50/1,724.79 = 601.94/x
  3. Step 3: Cross multiply
    1,149.50x = 1,724.79 × 601.94
  4. Step 4: Simplify right side
    1,149.50x = 1,038,220.09
  5. Step 5: Solve for x
    x = 1,038,220.09/1,149.50
  6. Step 6: Final answer
    x = 903.19

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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.