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Finding the Fourth Proportional to 499.99, 751.12 and 354.08

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Solution

The fourth proportional to 499.99, 751.12 and 354.08 is: 531.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.99 : 751.12 = 354.08 : x
  2. Step 2: Convert to fraction form
    499.99/751.12 = 354.08/x
  3. Step 3: Cross multiply
    499.99x = 751.12 × 354.08
  4. Step 4: Simplify right side
    499.99x = 265,956.57
  5. Step 5: Solve for x
    x = 265,956.57/499.99
  6. Step 6: Final answer
    x = 531.92

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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.