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Finding the Fourth Proportional to 587.22, 881.69 and 368.79

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Solution

The fourth proportional to 587.22, 881.69 and 368.79 is: 553.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.22 : 881.69 = 368.79 : x
  2. Step 2: Convert to fraction form
    587.22/881.69 = 368.79/x
  3. Step 3: Cross multiply
    587.22x = 881.69 × 368.79
  4. Step 4: Simplify right side
    587.22x = 325,158.46
  5. Step 5: Solve for x
    x = 325,158.46/587.22
  6. Step 6: Final answer
    x = 553.73

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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.