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Finding the Fourth Proportional to 555.51, 834.42 and 537.07

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Solution

The fourth proportional to 555.51, 834.42 and 537.07 is: 806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.51 : 834.42 = 537.07 : x
  2. Step 2: Convert to fraction form
    555.51/834.42 = 537.07/x
  3. Step 3: Cross multiply
    555.51x = 834.42 × 537.07
  4. Step 4: Simplify right side
    555.51x = 448,141.95
  5. Step 5: Solve for x
    x = 448,141.95/555.51
  6. Step 6: Final answer
    x = 806.72

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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.