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Finding the Fourth Proportional to 547.08, 751.15 and 532.81

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Solution

The fourth proportional to 547.08, 751.15 and 532.81 is: 731.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.08 : 751.15 = 532.81 : x
  2. Step 2: Convert to fraction form
    547.08/751.15 = 532.81/x
  3. Step 3: Cross multiply
    547.08x = 751.15 × 532.81
  4. Step 4: Simplify right side
    547.08x = 400,223.31
  5. Step 5: Solve for x
    x = 400,223.31/547.08
  6. Step 6: Final answer
    x = 731.56

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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.