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Finding the Fourth Proportional to 249.02, 342.98 and 183.40

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Solution

The fourth proportional to 249.02, 342.98 and 183.40 is: 252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.02 : 342.98 = 183.40 : x
  2. Step 2: Convert to fraction form
    249.02/342.98 = 183.40/x
  3. Step 3: Cross multiply
    249.02x = 342.98 × 183.40
  4. Step 4: Simplify right side
    249.02x = 62,902.53
  5. Step 5: Solve for x
    x = 62,902.53/249.02
  6. Step 6: Final answer
    x = 252.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.