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Finding the Fourth Proportional to 585.35, 879.23 and 464.45

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Solution

The fourth proportional to 585.35, 879.23 and 464.45 is: 697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.35 : 879.23 = 464.45 : x
  2. Step 2: Convert to fraction form
    585.35/879.23 = 464.45/x
  3. Step 3: Cross multiply
    585.35x = 879.23 × 464.45
  4. Step 4: Simplify right side
    585.35x = 408,356.05
  5. Step 5: Solve for x
    x = 408,356.05/585.35
  6. Step 6: Final answer
    x = 697.63

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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.