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Finding the Fourth Proportional to 356.95, 535.43 and 333.89

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Solution

The fourth proportional to 356.95, 535.43 and 333.89 is: 500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.95 : 535.43 = 333.89 : x
  2. Step 2: Convert to fraction form
    356.95/535.43 = 333.89/x
  3. Step 3: Cross multiply
    356.95x = 535.43 × 333.89
  4. Step 4: Simplify right side
    356.95x = 178,776.02
  5. Step 5: Solve for x
    x = 178,776.02/356.95
  6. Step 6: Final answer
    x = 500.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.