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Finding the Fourth Proportional to 534.23, 737.60 and 348.20

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Solution

The fourth proportional to 534.23, 737.60 and 348.20 is: 480.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.23 : 737.60 = 348.20 : x
  2. Step 2: Convert to fraction form
    534.23/737.60 = 348.20/x
  3. Step 3: Cross multiply
    534.23x = 737.60 × 348.20
  4. Step 4: Simplify right side
    534.23x = 256,826.89
  5. Step 5: Solve for x
    x = 256,826.89/534.23
  6. Step 6: Final answer
    x = 480.75

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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.