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Finding the Fourth Proportional to 787.93, 1,182.30 and 463.93

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Solution

The fourth proportional to 787.93, 1,182.30 and 463.93 is: 696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    787.93 : 1,182.30 = 463.93 : x
  2. Step 2: Convert to fraction form
    787.93/1,182.30 = 463.93/x
  3. Step 3: Cross multiply
    787.93x = 1,182.30 × 463.93
  4. Step 4: Simplify right side
    787.93x = 548,504.44
  5. Step 5: Solve for x
    x = 548,504.44/787.93
  6. Step 6: Final answer
    x = 696.13

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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.