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Finding the Fourth Proportional to 265.83, 366.55 and 263.19

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Solution

The fourth proportional to 265.83, 366.55 and 263.19 is: 362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.83 : 366.55 = 263.19 : x
  2. Step 2: Convert to fraction form
    265.83/366.55 = 263.19/x
  3. Step 3: Cross multiply
    265.83x = 366.55 × 263.19
  4. Step 4: Simplify right side
    265.83x = 96,472.29
  5. Step 5: Solve for x
    x = 96,472.29/265.83
  6. Step 6: Final answer
    x = 362.91

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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.