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Finding the Fourth Proportional to 1,546.96, 2,320.38 and 573.25

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Solution

The fourth proportional to 1,546.96, 2,320.38 and 573.25 is: 859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.96 : 2,320.38 = 573.25 : x
  2. Step 2: Convert to fraction form
    1,546.96/2,320.38 = 573.25/x
  3. Step 3: Cross multiply
    1,546.96x = 2,320.38 × 573.25
  4. Step 4: Simplify right side
    1,546.96x = 1,330,157.84
  5. Step 5: Solve for x
    x = 1,330,157.84/1,546.96
  6. Step 6: Final answer
    x = 859.85

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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.