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Finding the Fourth Proportional to 541.32, 750.48 and 508.20

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Solution

The fourth proportional to 541.32, 750.48 and 508.20 is: 704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.32 : 750.48 = 508.20 : x
  2. Step 2: Convert to fraction form
    541.32/750.48 = 508.20/x
  3. Step 3: Cross multiply
    541.32x = 750.48 × 508.20
  4. Step 4: Simplify right side
    541.32x = 381,393.94
  5. Step 5: Solve for x
    x = 381,393.94/541.32
  6. Step 6: Final answer
    x = 704.56

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.