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Finding the Fourth Proportional to 587.51, 881.29 and 222.26

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Solution

The fourth proportional to 587.51, 881.29 and 222.26 is: 333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.51 : 881.29 = 222.26 : x
  2. Step 2: Convert to fraction form
    587.51/881.29 = 222.26/x
  3. Step 3: Cross multiply
    587.51x = 881.29 × 222.26
  4. Step 4: Simplify right side
    587.51x = 195,875.52
  5. Step 5: Solve for x
    x = 195,875.52/587.51
  6. Step 6: Final answer
    x = 333.40

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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.