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Finding the Fourth Proportional to 555.88, 833.74 and 145.02

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Solution

The fourth proportional to 555.88, 833.74 and 145.02 is: 217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.88 : 833.74 = 145.02 : x
  2. Step 2: Convert to fraction form
    555.88/833.74 = 145.02/x
  3. Step 3: Cross multiply
    555.88x = 833.74 × 145.02
  4. Step 4: Simplify right side
    555.88x = 120,908.97
  5. Step 5: Solve for x
    x = 120,908.97/555.88
  6. Step 6: Final answer
    x = 217.51

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Double scale
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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.