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Finding the Fourth Proportional to 748.36, 1,033.08 and 483.19

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Solution

The fourth proportional to 748.36, 1,033.08 and 483.19 is: 667.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    748.36 : 1,033.08 = 483.19 : x
  2. Step 2: Convert to fraction form
    748.36/1,033.08 = 483.19/x
  3. Step 3: Cross multiply
    748.36x = 1,033.08 × 483.19
  4. Step 4: Simplify right side
    748.36x = 499,173.93
  5. Step 5: Solve for x
    x = 499,173.93/748.36
  6. Step 6: Final answer
    x = 667.02

Related Problems

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Half scale
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Double scale
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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.