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Finding the Fourth Proportional to 633.32, 873.60 and 412.52

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Solution

The fourth proportional to 633.32, 873.60 and 412.52 is: 569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.32 : 873.60 = 412.52 : x
  2. Step 2: Convert to fraction form
    633.32/873.60 = 412.52/x
  3. Step 3: Cross multiply
    633.32x = 873.60 × 412.52
  4. Step 4: Simplify right side
    633.32x = 360,377.47
  5. Step 5: Solve for x
    x = 360,377.47/633.32
  6. Step 6: Final answer
    x = 569.03

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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.