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Finding the Fourth Proportional to 248.63, 373.01 and 146

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Solution

The fourth proportional to 248.63, 373.01 and 146 is: 219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.63 : 373.01 = 146 : x
  2. Step 2: Convert to fraction form
    248.63/373.01 = 146/x
  3. Step 3: Cross multiply
    248.63x = 373.01 × 146
  4. Step 4: Simplify right side
    248.63x = 54,459.46
  5. Step 5: Solve for x
    x = 54,459.46/248.63
  6. Step 6: Final answer
    x = 219.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.