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Finding the Fourth Proportional to 595.38, 821.91 and 437.74

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Solution

The fourth proportional to 595.38, 821.91 and 437.74 is: 604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.38 : 821.91 = 437.74 : x
  2. Step 2: Convert to fraction form
    595.38/821.91 = 437.74/x
  3. Step 3: Cross multiply
    595.38x = 821.91 × 437.74
  4. Step 4: Simplify right side
    595.38x = 359,782.47
  5. Step 5: Solve for x
    x = 359,782.47/595.38
  6. Step 6: Final answer
    x = 604.29

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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.