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Finding the Fourth Proportional to 595.19, 821.36 and 333.20

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Solution

The fourth proportional to 595.19, 821.36 and 333.20 is: 459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.19 : 821.36 = 333.20 : x
  2. Step 2: Convert to fraction form
    595.19/821.36 = 333.20/x
  3. Step 3: Cross multiply
    595.19x = 821.36 × 333.20
  4. Step 4: Simplify right side
    595.19x = 273,671.38
  5. Step 5: Solve for x
    x = 273,671.38/595.19
  6. Step 6: Final answer
    x = 459.81

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1.5x scale

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.