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Finding the Fourth Proportional to 541.16, 747.32 and 375.80

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Solution

The fourth proportional to 541.16, 747.32 and 375.80 is: 518.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.16 : 747.32 = 375.80 : x
  2. Step 2: Convert to fraction form
    541.16/747.32 = 375.80/x
  3. Step 3: Cross multiply
    541.16x = 747.32 × 375.80
  4. Step 4: Simplify right side
    541.16x = 280,842.86
  5. Step 5: Solve for x
    x = 280,842.86/541.16
  6. Step 6: Final answer
    x = 518.96

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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.