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Finding the Fourth Proportional to 798.02, 1,197.09 and 432.73

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Solution

The fourth proportional to 798.02, 1,197.09 and 432.73 is: 649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.02 : 1,197.09 = 432.73 : x
  2. Step 2: Convert to fraction form
    798.02/1,197.09 = 432.73/x
  3. Step 3: Cross multiply
    798.02x = 1,197.09 × 432.73
  4. Step 4: Simplify right side
    798.02x = 518,016.76
  5. Step 5: Solve for x
    x = 518,016.76/798.02
  6. Step 6: Final answer
    x = 649.13

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.