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Finding the Fourth Proportional to 611.19, 845.01 and 463.59

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Solution

The fourth proportional to 611.19, 845.01 and 463.59 is: 640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.19 : 845.01 = 463.59 : x
  2. Step 2: Convert to fraction form
    611.19/845.01 = 463.59/x
  3. Step 3: Cross multiply
    611.19x = 845.01 × 463.59
  4. Step 4: Simplify right side
    611.19x = 391,738.19
  5. Step 5: Solve for x
    x = 391,738.19/611.19
  6. Step 6: Final answer
    x = 640.94

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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.