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Finding the Fourth Proportional to 536.20, 740.02 and 303.37

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Solution

The fourth proportional to 536.20, 740.02 and 303.37 is: 418.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.20 : 740.02 = 303.37 : x
  2. Step 2: Convert to fraction form
    536.20/740.02 = 303.37/x
  3. Step 3: Cross multiply
    536.20x = 740.02 × 303.37
  4. Step 4: Simplify right side
    536.20x = 224,499.87
  5. Step 5: Solve for x
    x = 224,499.87/536.20
  6. Step 6: Final answer
    x = 418.69

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.