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Finding the Fourth Proportional to 1,546.42, 2,320.54 and 573.20

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Solution

The fourth proportional to 1,546.42, 2,320.54 and 573.20 is: 860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.42 : 2,320.54 = 573.20 : x
  2. Step 2: Convert to fraction form
    1,546.42/2,320.54 = 573.20/x
  3. Step 3: Cross multiply
    1,546.42x = 2,320.54 × 573.20
  4. Step 4: Simplify right side
    1,546.42x = 1,330,133.53
  5. Step 5: Solve for x
    x = 1,330,133.53/1,546.42
  6. Step 6: Final answer
    x = 860.14

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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.