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Finding the Fourth Proportional to 500.99, 752.62 and 355.08

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Solution

The fourth proportional to 500.99, 752.62 and 355.08 is: 533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.99 : 752.62 = 355.08 : x
  2. Step 2: Convert to fraction form
    500.99/752.62 = 355.08/x
  3. Step 3: Cross multiply
    500.99x = 752.62 × 355.08
  4. Step 4: Simplify right side
    500.99x = 267,240.31
  5. Step 5: Solve for x
    x = 267,240.31/500.99
  6. Step 6: Final answer
    x = 533.42

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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.