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Finding the Fourth Proportional to 54.52, 75.27 and 35.13

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Solution

The fourth proportional to 54.52, 75.27 and 35.13 is: 48.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.52 : 75.27 = 35.13 : x
  2. Step 2: Convert to fraction form
    54.52/75.27 = 35.13/x
  3. Step 3: Cross multiply
    54.52x = 75.27 × 35.13
  4. Step 4: Simplify right side
    54.52x = 2,644.24
  5. Step 5: Solve for x
    x = 2,644.24/54.52
  6. Step 6: Final answer
    x = 48.50

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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.