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Finding the Fourth Proportional to 587.39, 880.47 and 222.02

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Solution

The fourth proportional to 587.39, 880.47 and 222.02 is: 332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.39 : 880.47 = 222.02 : x
  2. Step 2: Convert to fraction form
    587.39/880.47 = 222.02/x
  3. Step 3: Cross multiply
    587.39x = 880.47 × 222.02
  4. Step 4: Simplify right side
    587.39x = 195,477.55
  5. Step 5: Solve for x
    x = 195,477.55/587.39
  6. Step 6: Final answer
    x = 332.79

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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.