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Finding the Fourth Proportional to 677.00, 933.53 and 467.28

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Solution

The fourth proportional to 677.00, 933.53 and 467.28 is: 644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    677.00 : 933.53 = 467.28 : x
  2. Step 2: Convert to fraction form
    677.00/933.53 = 467.28/x
  3. Step 3: Cross multiply
    677.00x = 933.53 × 467.28
  4. Step 4: Simplify right side
    677.00x = 436,217.56
  5. Step 5: Solve for x
    x = 436,217.56/677.00
  6. Step 6: Final answer
    x = 644.34

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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.