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Finding the Fourth Proportional to 1,542.37, 2,313.48 and 446.71

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Solution

The fourth proportional to 1,542.37, 2,313.48 and 446.71 is: 670.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542.37 : 2,313.48 = 446.71 : x
  2. Step 2: Convert to fraction form
    1,542.37/2,313.48 = 446.71/x
  3. Step 3: Cross multiply
    1,542.37x = 2,313.48 × 446.71
  4. Step 4: Simplify right side
    1,542.37x = 1,033,449.98
  5. Step 5: Solve for x
    x = 1,033,449.98/1,542.37
  6. Step 6: Final answer
    x = 670.04

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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.