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Finding the Fourth Proportional to 556.95, 833.96 and 446.75

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Solution

The fourth proportional to 556.95, 833.96 and 446.75 is: 668.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.95 : 833.96 = 446.75 : x
  2. Step 2: Convert to fraction form
    556.95/833.96 = 446.75/x
  3. Step 3: Cross multiply
    556.95x = 833.96 × 446.75
  4. Step 4: Simplify right side
    556.95x = 372,565.23
  5. Step 5: Solve for x
    x = 372,565.23/556.95
  6. Step 6: Final answer
    x = 668.94

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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.