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Finding the Fourth Proportional to 532.45, 801.24 and 482.08

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Solution

The fourth proportional to 532.45, 801.24 and 482.08 is: 725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.45 : 801.24 = 482.08 : x
  2. Step 2: Convert to fraction form
    532.45/801.24 = 482.08/x
  3. Step 3: Cross multiply
    532.45x = 801.24 × 482.08
  4. Step 4: Simplify right side
    532.45x = 386,261.78
  5. Step 5: Solve for x
    x = 386,261.78/532.45
  6. Step 6: Final answer
    x = 725.44

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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.