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Finding the Fourth Proportional to 534.76, 737.97 and 298.71

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Solution

The fourth proportional to 534.76, 737.97 and 298.71 is: 412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.76 : 737.97 = 298.71 : x
  2. Step 2: Convert to fraction form
    534.76/737.97 = 298.71/x
  3. Step 3: Cross multiply
    534.76x = 737.97 × 298.71
  4. Step 4: Simplify right side
    534.76x = 220,439.02
  5. Step 5: Solve for x
    x = 220,439.02/534.76
  6. Step 6: Final answer
    x = 412.22

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Find fourth proportional to 267.38, 368.99 and 149.36
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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.