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Finding the Fourth Proportional to 548.08, 752.53 and 533.81

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Solution

The fourth proportional to 548.08, 752.53 and 533.81 is: 732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.08 : 752.53 = 533.81 : x
  2. Step 2: Convert to fraction form
    548.08/752.53 = 533.81/x
  3. Step 3: Cross multiply
    548.08x = 752.53 × 533.81
  4. Step 4: Simplify right side
    548.08x = 401,708.04
  5. Step 5: Solve for x
    x = 401,708.04/548.08
  6. Step 6: Final answer
    x = 732.94

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.