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Finding the Fourth Proportional to 532.24, 797.20 and 288.25

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Solution

The fourth proportional to 532.24, 797.20 and 288.25 is: 431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.24 : 797.20 = 288.25 : x
  2. Step 2: Convert to fraction form
    532.24/797.20 = 288.25/x
  3. Step 3: Cross multiply
    532.24x = 797.20 × 288.25
  4. Step 4: Simplify right side
    532.24x = 229,792.90
  5. Step 5: Solve for x
    x = 229,792.90/532.24
  6. Step 6: Final answer
    x = 431.75

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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.