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Finding the Fourth Proportional to 250.96, 346.14 and 152.58

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Solution

The fourth proportional to 250.96, 346.14 and 152.58 is: 210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.96 : 346.14 = 152.58 : x
  2. Step 2: Convert to fraction form
    250.96/346.14 = 152.58/x
  3. Step 3: Cross multiply
    250.96x = 346.14 × 152.58
  4. Step 4: Simplify right side
    250.96x = 52,814.04
  5. Step 5: Solve for x
    x = 52,814.04/250.96
  6. Step 6: Final answer
    x = 210.45

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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.