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Finding the Fourth Proportional to 617.98, 925.58 and 357.36

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Solution

The fourth proportional to 617.98, 925.58 and 357.36 is: 535.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.98 : 925.58 = 357.36 : x
  2. Step 2: Convert to fraction form
    617.98/925.58 = 357.36/x
  3. Step 3: Cross multiply
    617.98x = 925.58 × 357.36
  4. Step 4: Simplify right side
    617.98x = 330,765.27
  5. Step 5: Solve for x
    x = 330,765.27/617.98
  6. Step 6: Final answer
    x = 535.24

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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.