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Finding the Fourth Proportional to 547.05, 755 and 337.18

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Solution

The fourth proportional to 547.05, 755 and 337.18 is: 465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.05 : 755 = 337.18 : x
  2. Step 2: Convert to fraction form
    547.05/755 = 337.18/x
  3. Step 3: Cross multiply
    547.05x = 755 × 337.18
  4. Step 4: Simplify right side
    547.05x = 254,570.90
  5. Step 5: Solve for x
    x = 254,570.90/547.05
  6. Step 6: Final answer
    x = 465.35

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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.