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Finding the Fourth Proportional to 617.01, 925.62 and 308.80

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Solution

The fourth proportional to 617.01, 925.62 and 308.80 is: 463.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.01 : 925.62 = 308.80 : x
  2. Step 2: Convert to fraction form
    617.01/925.62 = 308.80/x
  3. Step 3: Cross multiply
    617.01x = 925.62 × 308.80
  4. Step 4: Simplify right side
    617.01x = 285,831.46
  5. Step 5: Solve for x
    x = 285,831.46/617.01
  6. Step 6: Final answer
    x = 463.26

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1.5x scale

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.