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Finding the Fourth Proportional to 541.74, 746.57 and 375.65

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Solution

The fourth proportional to 541.74, 746.57 and 375.65 is: 517.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.74 : 746.57 = 375.65 : x
  2. Step 2: Convert to fraction form
    541.74/746.57 = 375.65/x
  3. Step 3: Cross multiply
    541.74x = 746.57 × 375.65
  4. Step 4: Simplify right side
    541.74x = 280,449.02
  5. Step 5: Solve for x
    x = 280,449.02/541.74
  6. Step 6: Final answer
    x = 517.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.