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Finding the Fourth Proportional to 592.80, 815.58 and 576.60

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Solution

The fourth proportional to 592.80, 815.58 and 576.60 is: 793.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.80 : 815.58 = 576.60 : x
  2. Step 2: Convert to fraction form
    592.80/815.58 = 576.60/x
  3. Step 3: Cross multiply
    592.80x = 815.58 × 576.60
  4. Step 4: Simplify right side
    592.80x = 470,263.43
  5. Step 5: Solve for x
    x = 470,263.43/592.80
  6. Step 6: Final answer
    x = 793.29

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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.