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Finding the Fourth Proportional to 1,170.81, 1,753.81 and 584.06

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Solution

The fourth proportional to 1,170.81, 1,753.81 and 584.06 is: 874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170.81 : 1,753.81 = 584.06 : x
  2. Step 2: Convert to fraction form
    1,170.81/1,753.81 = 584.06/x
  3. Step 3: Cross multiply
    1,170.81x = 1,753.81 × 584.06
  4. Step 4: Simplify right side
    1,170.81x = 1,024,320.04
  5. Step 5: Solve for x
    x = 1,024,320.04/1,170.81
  6. Step 6: Final answer
    x = 874.88

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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.