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Finding the Fourth Proportional to 298.68, 411.27 and 265.01

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Solution

The fourth proportional to 298.68, 411.27 and 265.01 is: 364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.68 : 411.27 = 265.01 : x
  2. Step 2: Convert to fraction form
    298.68/411.27 = 265.01/x
  3. Step 3: Cross multiply
    298.68x = 411.27 × 265.01
  4. Step 4: Simplify right side
    298.68x = 108,988.61
  5. Step 5: Solve for x
    x = 108,988.61/298.68
  6. Step 6: Final answer
    x = 364.90

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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.