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Finding the Fourth Proportional to 1,542.53, 2,313.38 and 568.50

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Solution

The fourth proportional to 1,542.53, 2,313.38 and 568.50 is: 852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542.53 : 2,313.38 = 568.50 : x
  2. Step 2: Convert to fraction form
    1,542.53/2,313.38 = 568.50/x
  3. Step 3: Cross multiply
    1,542.53x = 2,313.38 × 568.50
  4. Step 4: Simplify right side
    1,542.53x = 1,315,153.69
  5. Step 5: Solve for x
    x = 1,315,153.69/1,542.53
  6. Step 6: Final answer
    x = 852.60

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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.