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Finding the Fourth Proportional to 587.75, 881.99 and 245.75

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Solution

The fourth proportional to 587.75, 881.99 and 245.75 is: 368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.75 : 881.99 = 245.75 : x
  2. Step 2: Convert to fraction form
    587.75/881.99 = 245.75/x
  3. Step 3: Cross multiply
    587.75x = 881.99 × 245.75
  4. Step 4: Simplify right side
    587.75x = 216,749.04
  5. Step 5: Solve for x
    x = 216,749.04/587.75
  6. Step 6: Final answer
    x = 368.78

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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.