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Finding the Fourth Proportional to 242.51, 334.50 and 224.06

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Solution

The fourth proportional to 242.51, 334.50 and 224.06 is: 309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.51 : 334.50 = 224.06 : x
  2. Step 2: Convert to fraction form
    242.51/334.50 = 224.06/x
  3. Step 3: Cross multiply
    242.51x = 334.50 × 224.06
  4. Step 4: Simplify right side
    242.51x = 74,948.07
  5. Step 5: Solve for x
    x = 74,948.07/242.51
  6. Step 6: Final answer
    x = 309.05

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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.