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Finding the Fourth Proportional to 242.51, 333.63 and 214.37

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Solution

The fourth proportional to 242.51, 333.63 and 214.37 is: 294.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.51 : 333.63 = 214.37 : x
  2. Step 2: Convert to fraction form
    242.51/333.63 = 214.37/x
  3. Step 3: Cross multiply
    242.51x = 333.63 × 214.37
  4. Step 4: Simplify right side
    242.51x = 71,518.59
  5. Step 5: Solve for x
    x = 71,518.59/242.51
  6. Step 6: Final answer
    x = 294.91

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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.