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Finding the Fourth Proportional to 595.47, 821.76 and 333.49

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Solution

The fourth proportional to 595.47, 821.76 and 333.49 is: 460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.47 : 821.76 = 333.49 : x
  2. Step 2: Convert to fraction form
    595.47/821.76 = 333.49/x
  3. Step 3: Cross multiply
    595.47x = 821.76 × 333.49
  4. Step 4: Simplify right side
    595.47x = 274,048.74
  5. Step 5: Solve for x
    x = 274,048.74/595.47
  6. Step 6: Final answer
    x = 460.22

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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.