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Finding the Fourth Proportional to 333.32, 501.89 and 242.64

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Solution

The fourth proportional to 333.32, 501.89 and 242.64 is: 365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.32 : 501.89 = 242.64 : x
  2. Step 2: Convert to fraction form
    333.32/501.89 = 242.64/x
  3. Step 3: Cross multiply
    333.32x = 501.89 × 242.64
  4. Step 4: Simplify right side
    333.32x = 121,777.38
  5. Step 5: Solve for x
    x = 121,777.38/333.32
  6. Step 6: Final answer
    x = 365.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.