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Finding the Fourth Proportional to 248.84, 374.84 and 235.20

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Solution

The fourth proportional to 248.84, 374.84 and 235.20 is: 354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.84 : 374.84 = 235.20 : x
  2. Step 2: Convert to fraction form
    248.84/374.84 = 235.20/x
  3. Step 3: Cross multiply
    248.84x = 374.84 × 235.20
  4. Step 4: Simplify right side
    248.84x = 88,161.19
  5. Step 5: Solve for x
    x = 88,161.19/248.84
  6. Step 6: Final answer
    x = 354.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.