Home / 1,166.29-1,749.56-300.61

Finding the Fourth Proportional to 1,166.29, 1,749.56 and 300.61

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Solution

The fourth proportional to 1,166.29, 1,749.56 and 300.61 is: 450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.29 : 1,749.56 = 300.61 : x
  2. Step 2: Convert to fraction form
    1,166.29/1,749.56 = 300.61/x
  3. Step 3: Cross multiply
    1,166.29x = 1,749.56 × 300.61
  4. Step 4: Simplify right side
    1,166.29x = 525,935.23
  5. Step 5: Solve for x
    x = 525,935.23/1,166.29
  6. Step 6: Final answer
    x = 450.95

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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.