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Finding the Fourth Proportional to 1,330.68, 1,996.02 and 464.76

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Solution

The fourth proportional to 1,330.68, 1,996.02 and 464.76 is: 697.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330.68 : 1,996.02 = 464.76 : x
  2. Step 2: Convert to fraction form
    1,330.68/1,996.02 = 464.76/x
  3. Step 3: Cross multiply
    1,330.68x = 1,996.02 × 464.76
  4. Step 4: Simplify right side
    1,330.68x = 927,670.26
  5. Step 5: Solve for x
    x = 927,670.26/1,330.68
  6. Step 6: Final answer
    x = 697.14

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.