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Finding the Fourth Proportional to 595.20, 821.89 and 374.52

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Solution

The fourth proportional to 595.20, 821.89 and 374.52 is: 517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.20 : 821.89 = 374.52 : x
  2. Step 2: Convert to fraction form
    595.20/821.89 = 374.52/x
  3. Step 3: Cross multiply
    595.20x = 821.89 × 374.52
  4. Step 4: Simplify right side
    595.20x = 307,812.37
  5. Step 5: Solve for x
    x = 307,812.37/595.20
  6. Step 6: Final answer
    x = 517.16

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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.