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Finding the Fourth Proportional to 533.64, 736.28 and 300.76

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Solution

The fourth proportional to 533.64, 736.28 and 300.76 is: 414.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.64 : 736.28 = 300.76 : x
  2. Step 2: Convert to fraction form
    533.64/736.28 = 300.76/x
  3. Step 3: Cross multiply
    533.64x = 736.28 × 300.76
  4. Step 4: Simplify right side
    533.64x = 221,443.57
  5. Step 5: Solve for x
    x = 221,443.57/533.64
  6. Step 6: Final answer
    x = 414.97

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Find fourth proportional to 266.82, 368.14 and 150.38
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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.