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Finding the Fourth Proportional to 887.33, 1,224.20 and 592.79

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Solution

The fourth proportional to 887.33, 1,224.20 and 592.79 is: 817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    887.33 : 1,224.20 = 592.79 : x
  2. Step 2: Convert to fraction form
    887.33/1,224.20 = 592.79/x
  3. Step 3: Cross multiply
    887.33x = 1,224.20 × 592.79
  4. Step 4: Simplify right side
    887.33x = 725,690.55
  5. Step 5: Solve for x
    x = 725,690.55/887.33
  6. Step 6: Final answer
    x = 817.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.