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Finding the Fourth Proportional to 595.02, 821.15 and 333.12

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Solution

The fourth proportional to 595.02, 821.15 and 333.12 is: 459.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.02 : 821.15 = 333.12 : x
  2. Step 2: Convert to fraction form
    595.02/821.15 = 333.12/x
  3. Step 3: Cross multiply
    595.02x = 821.15 × 333.12
  4. Step 4: Simplify right side
    595.02x = 273,541.49
  5. Step 5: Solve for x
    x = 273,541.49/595.02
  6. Step 6: Final answer
    x = 459.72

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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.