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Finding the Fourth Proportional to 248.42, 370.51 and 235.46

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Solution

The fourth proportional to 248.42, 370.51 and 235.46 is: 351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.42 : 370.51 = 235.46 : x
  2. Step 2: Convert to fraction form
    248.42/370.51 = 235.46/x
  3. Step 3: Cross multiply
    248.42x = 370.51 × 235.46
  4. Step 4: Simplify right side
    248.42x = 87,239.11
  5. Step 5: Solve for x
    x = 87,239.11/248.42
  6. Step 6: Final answer
    x = 351.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.