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Finding the Fourth Proportional to 534.29, 737.45 and 347.46

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Solution

The fourth proportional to 534.29, 737.45 and 347.46 is: 479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.29 : 737.45 = 347.46 : x
  2. Step 2: Convert to fraction form
    534.29/737.45 = 347.46/x
  3. Step 3: Cross multiply
    534.29x = 737.45 × 347.46
  4. Step 4: Simplify right side
    534.29x = 256,234.38
  5. Step 5: Solve for x
    x = 256,234.38/534.29
  6. Step 6: Final answer
    x = 479.58

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1.5x scale

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.