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Finding the Fourth Proportional to 292.39, 403.56 and 176.02

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Solution

The fourth proportional to 292.39, 403.56 and 176.02 is: 242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.39 : 403.56 = 176.02 : x
  2. Step 2: Convert to fraction form
    292.39/403.56 = 176.02/x
  3. Step 3: Cross multiply
    292.39x = 403.56 × 176.02
  4. Step 4: Simplify right side
    292.39x = 71,034.63
  5. Step 5: Solve for x
    x = 71,034.63/292.39
  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.