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Finding the Fourth Proportional to 617.23, 925.38 and 373.70

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Solution

The fourth proportional to 617.23, 925.38 and 373.70 is: 560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.23 : 925.38 = 373.70 : x
  2. Step 2: Convert to fraction form
    617.23/925.38 = 373.70/x
  3. Step 3: Cross multiply
    617.23x = 925.38 × 373.70
  4. Step 4: Simplify right side
    617.23x = 345,809.88
  5. Step 5: Solve for x
    x = 345,809.88/617.23
  6. Step 6: Final answer
    x = 560.26

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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.