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Finding the Fourth Proportional to 551.92, 753.92 and 548.32

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Solution

The fourth proportional to 551.92, 753.92 and 548.32 is: 749.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.92 : 753.92 = 548.32 : x
  2. Step 2: Convert to fraction form
    551.92/753.92 = 548.32/x
  3. Step 3: Cross multiply
    551.92x = 753.92 × 548.32
  4. Step 4: Simplify right side
    551.92x = 413,389.41
  5. Step 5: Solve for x
    x = 413,389.41/551.92
  6. Step 6: Final answer
    x = 749.00

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.