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Finding the Fourth Proportional to 587.41, 881.28 and 176.56

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Solution

The fourth proportional to 587.41, 881.28 and 176.56 is: 264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.41 : 881.28 = 176.56 : x
  2. Step 2: Convert to fraction form
    587.41/881.28 = 176.56/x
  3. Step 3: Cross multiply
    587.41x = 881.28 × 176.56
  4. Step 4: Simplify right side
    587.41x = 155,598.80
  5. Step 5: Solve for x
    x = 155,598.80/587.41
  6. Step 6: Final answer
    x = 264.89

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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.