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Finding the Fourth Proportional to 586.05, 807.02 and 523.86

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Solution

The fourth proportional to 586.05, 807.02 and 523.86 is: 721.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.05 : 807.02 = 523.86 : x
  2. Step 2: Convert to fraction form
    586.05/807.02 = 523.86/x
  3. Step 3: Cross multiply
    586.05x = 807.02 × 523.86
  4. Step 4: Simplify right side
    586.05x = 422,761.82
  5. Step 5: Solve for x
    x = 422,761.82/586.05
  6. Step 6: Final answer
    x = 721.38

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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.