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Finding the Fourth Proportional to 248.84, 343.48 and 150.64

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Solution

The fourth proportional to 248.84, 343.48 and 150.64 is: 207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.84 : 343.48 = 150.64 : x
  2. Step 2: Convert to fraction form
    248.84/343.48 = 150.64/x
  3. Step 3: Cross multiply
    248.84x = 343.48 × 150.64
  4. Step 4: Simplify right side
    248.84x = 51,741.83
  5. Step 5: Solve for x
    x = 51,741.83/248.84
  6. Step 6: Final answer
    x = 207.93

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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.