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Finding the Fourth Proportional to 555.73, 833.56 and 170.98

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Solution

The fourth proportional to 555.73, 833.56 and 170.98 is: 256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.73 : 833.56 = 170.98 : x
  2. Step 2: Convert to fraction form
    555.73/833.56 = 170.98/x
  3. Step 3: Cross multiply
    555.73x = 833.56 × 170.98
  4. Step 4: Simplify right side
    555.73x = 142,522.09
  5. Step 5: Solve for x
    x = 142,522.09/555.73
  6. Step 6: Final answer
    x = 256.46

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1.5x scale

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.