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Finding the Fourth Proportional to 555.90, 834.12 and 248.01

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Solution

The fourth proportional to 555.90, 834.12 and 248.01 is: 372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.90 : 834.12 = 248.01 : x
  2. Step 2: Convert to fraction form
    555.90/834.12 = 248.01/x
  3. Step 3: Cross multiply
    555.90x = 834.12 × 248.01
  4. Step 4: Simplify right side
    555.90x = 206,870.10
  5. Step 5: Solve for x
    x = 206,870.10/555.90
  6. Step 6: Final answer
    x = 372.14

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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.