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Finding the Fourth Proportional to 263.32, 363.30 and 176.08

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Solution

The fourth proportional to 263.32, 363.30 and 176.08 is: 242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.32 : 363.30 = 176.08 : x
  2. Step 2: Convert to fraction form
    263.32/363.30 = 176.08/x
  3. Step 3: Cross multiply
    263.32x = 363.30 × 176.08
  4. Step 4: Simplify right side
    263.32x = 63,969.86
  5. Step 5: Solve for x
    x = 63,969.86/263.32
  6. Step 6: Final answer
    x = 242.94

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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.