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Finding the Fourth Proportional to 587.61, 881.01 and 197.49

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Solution

The fourth proportional to 587.61, 881.01 and 197.49 is: 296.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.61 : 881.01 = 197.49 : x
  2. Step 2: Convert to fraction form
    587.61/881.01 = 197.49/x
  3. Step 3: Cross multiply
    587.61x = 881.01 × 197.49
  4. Step 4: Simplify right side
    587.61x = 173,990.66
  5. Step 5: Solve for x
    x = 173,990.66/587.61
  6. Step 6: Final answer
    x = 296.10

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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.