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Finding the Fourth Proportional to 532.36, 797.50 and 349.20

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Solution

The fourth proportional to 532.36, 797.50 and 349.20 is: 523.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.36 : 797.50 = 349.20 : x
  2. Step 2: Convert to fraction form
    532.36/797.50 = 349.20/x
  3. Step 3: Cross multiply
    532.36x = 797.50 × 349.20
  4. Step 4: Simplify right side
    532.36x = 278,487
  5. Step 5: Solve for x
    x = 278,487/532.36
  6. Step 6: Final answer
    x = 523.12

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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.