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Finding the Fourth Proportional to 294.15, 406.17 and 263.01

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Solution

The fourth proportional to 294.15, 406.17 and 263.01 is: 363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.15 : 406.17 = 263.01 : x
  2. Step 2: Convert to fraction form
    294.15/406.17 = 263.01/x
  3. Step 3: Cross multiply
    294.15x = 406.17 × 263.01
  4. Step 4: Simplify right side
    294.15x = 106,826.77
  5. Step 5: Solve for x
    x = 106,826.77/294.15
  6. Step 6: Final answer
    x = 363.17

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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.