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Finding the Fourth Proportional to 590.44, 890.09 and 508.81

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Solution

The fourth proportional to 590.44, 890.09 and 508.81 is: 767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.44 : 890.09 = 508.81 : x
  2. Step 2: Convert to fraction form
    590.44/890.09 = 508.81/x
  3. Step 3: Cross multiply
    590.44x = 890.09 × 508.81
  4. Step 4: Simplify right side
    590.44x = 452,883.00
  5. Step 5: Solve for x
    x = 452,883.00/590.44
  6. Step 6: Final answer
    x = 767.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.