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Finding the Fourth Proportional to 263.19, 392.48 and 250.77

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Solution

The fourth proportional to 263.19, 392.48 and 250.77 is: 373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.19 : 392.48 = 250.77 : x
  2. Step 2: Convert to fraction form
    263.19/392.48 = 250.77/x
  3. Step 3: Cross multiply
    263.19x = 392.48 × 250.77
  4. Step 4: Simplify right side
    263.19x = 98,422.84
  5. Step 5: Solve for x
    x = 98,422.84/263.19
  6. Step 6: Final answer
    x = 373.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.