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Finding the Fourth Proportional to 546.58, 817.73 and 383.16

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Solution

The fourth proportional to 546.58, 817.73 and 383.16 is: 573.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.58 : 817.73 = 383.16 : x
  2. Step 2: Convert to fraction form
    546.58/817.73 = 383.16/x
  3. Step 3: Cross multiply
    546.58x = 817.73 × 383.16
  4. Step 4: Simplify right side
    546.58x = 313,321.43
  5. Step 5: Solve for x
    x = 313,321.43/546.58
  6. Step 6: Final answer
    x = 573.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.