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Finding the Fourth Proportional to 1,368.01, 2,051.78 and 546.06

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Solution

The fourth proportional to 1,368.01, 2,051.78 and 546.06 is: 819.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368.01 : 2,051.78 = 546.06 : x
  2. Step 2: Convert to fraction form
    1,368.01/2,051.78 = 546.06/x
  3. Step 3: Cross multiply
    1,368.01x = 2,051.78 × 546.06
  4. Step 4: Simplify right side
    1,368.01x = 1,120,391.48
  5. Step 5: Solve for x
    x = 1,120,391.48/1,368.01
  6. Step 6: Final answer
    x = 819.00

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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.