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Finding the Fourth Proportional to 533.40, 736.18 and 337.20

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Solution

The fourth proportional to 533.40, 736.18 and 337.20 is: 465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.40 : 736.18 = 337.20 : x
  2. Step 2: Convert to fraction form
    533.40/736.18 = 337.20/x
  3. Step 3: Cross multiply
    533.40x = 736.18 × 337.20
  4. Step 4: Simplify right side
    533.40x = 248,239.90
  5. Step 5: Solve for x
    x = 248,239.90/533.40
  6. Step 6: Final answer
    x = 465.39

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.