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Finding the Fourth Proportional to 1,340.72, 2,010.84 and 366.59

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Solution

The fourth proportional to 1,340.72, 2,010.84 and 366.59 is: 549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.72 : 2,010.84 = 366.59 : x
  2. Step 2: Convert to fraction form
    1,340.72/2,010.84 = 366.59/x
  3. Step 3: Cross multiply
    1,340.72x = 2,010.84 × 366.59
  4. Step 4: Simplify right side
    1,340.72x = 737,153.84
  5. Step 5: Solve for x
    x = 737,153.84/1,340.72
  6. Step 6: Final answer
    x = 549.82

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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.