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Finding the Fourth Proportional to 587.82, 881.86 and 203.07

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Solution

The fourth proportional to 587.82, 881.86 and 203.07 is: 304.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.82 : 881.86 = 203.07 : x
  2. Step 2: Convert to fraction form
    587.82/881.86 = 203.07/x
  3. Step 3: Cross multiply
    587.82x = 881.86 × 203.07
  4. Step 4: Simplify right side
    587.82x = 179,073.89
  5. Step 5: Solve for x
    x = 179,073.89/587.82
  6. Step 6: Final answer
    x = 304.64

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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.