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Finding the Fourth Proportional to 677.88, 933.12 and 594.60

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Solution

The fourth proportional to 677.88, 933.12 and 594.60 is: 818.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    677.88 : 933.12 = 594.60 : x
  2. Step 2: Convert to fraction form
    677.88/933.12 = 594.60/x
  3. Step 3: Cross multiply
    677.88x = 933.12 × 594.60
  4. Step 4: Simplify right side
    677.88x = 554,833.15
  5. Step 5: Solve for x
    x = 554,833.15/677.88
  6. Step 6: Final answer
    x = 818.48

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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.