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Finding the Fourth Proportional to 483.58, 723.97 and 433.50

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Solution

The fourth proportional to 483.58, 723.97 and 433.50 is: 648.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.58 : 723.97 = 433.50 : x
  2. Step 2: Convert to fraction form
    483.58/723.97 = 433.50/x
  3. Step 3: Cross multiply
    483.58x = 723.97 × 433.50
  4. Step 4: Simplify right side
    483.58x = 313,841.00
  5. Step 5: Solve for x
    x = 313,841.00/483.58
  6. Step 6: Final answer
    x = 648.99

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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.