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Finding the Fourth Proportional to 573.92, 860.16 and 368

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Solution

The fourth proportional to 573.92, 860.16 and 368 is: 551.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.92 : 860.16 = 368 : x
  2. Step 2: Convert to fraction form
    573.92/860.16 = 368/x
  3. Step 3: Cross multiply
    573.92x = 860.16 × 368
  4. Step 4: Simplify right side
    573.92x = 316,538.88
  5. Step 5: Solve for x
    x = 316,538.88/573.92
  6. Step 6: Final answer
    x = 551.54

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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.