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Finding the Fourth Proportional to 590.43, 884.09 and 416.15

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Solution

The fourth proportional to 590.43, 884.09 and 416.15 is: 623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.43 : 884.09 = 416.15 : x
  2. Step 2: Convert to fraction form
    590.43/884.09 = 416.15/x
  3. Step 3: Cross multiply
    590.43x = 884.09 × 416.15
  4. Step 4: Simplify right side
    590.43x = 367,917.30
  5. Step 5: Solve for x
    x = 367,917.30/590.43
  6. Step 6: Final answer
    x = 623.13

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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.