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Finding the Fourth Proportional to 577.92, 798.28 and 467.81

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Solution

The fourth proportional to 577.92, 798.28 and 467.81 is: 646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.92 : 798.28 = 467.81 : x
  2. Step 2: Convert to fraction form
    577.92/798.28 = 467.81/x
  3. Step 3: Cross multiply
    577.92x = 798.28 × 467.81
  4. Step 4: Simplify right side
    577.92x = 373,443.37
  5. Step 5: Solve for x
    x = 373,443.37/577.92
  6. Step 6: Final answer
    x = 646.19

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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.