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Finding the Fourth Proportional to 263.04, 362.96 and 152.51

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Solution

The fourth proportional to 263.04, 362.96 and 152.51 is: 210.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.04 : 362.96 = 152.51 : x
  2. Step 2: Convert to fraction form
    263.04/362.96 = 152.51/x
  3. Step 3: Cross multiply
    263.04x = 362.96 × 152.51
  4. Step 4: Simplify right side
    263.04x = 55,355.03
  5. Step 5: Solve for x
    x = 55,355.03/263.04
  6. Step 6: Final answer
    x = 210.44

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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.