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Finding the Fourth Proportional to 534.02, 736.68 and 347.48

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Solution

The fourth proportional to 534.02, 736.68 and 347.48 is: 479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.02 : 736.68 = 347.48 : x
  2. Step 2: Convert to fraction form
    534.02/736.68 = 347.48/x
  3. Step 3: Cross multiply
    534.02x = 736.68 × 347.48
  4. Step 4: Simplify right side
    534.02x = 255,981.57
  5. Step 5: Solve for x
    x = 255,981.57/534.02
  6. Step 6: Final answer
    x = 479.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.