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Finding the Fourth Proportional to 555.15, 833.36 and 469.56

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Solution

The fourth proportional to 555.15, 833.36 and 469.56 is: 704.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.15 : 833.36 = 469.56 : x
  2. Step 2: Convert to fraction form
    555.15/833.36 = 469.56/x
  3. Step 3: Cross multiply
    555.15x = 833.36 × 469.56
  4. Step 4: Simplify right side
    555.15x = 391,310.17
  5. Step 5: Solve for x
    x = 391,310.17/555.15
  6. Step 6: Final answer
    x = 704.87

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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.