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Finding the Fourth Proportional to 243.04, 366.40 and 235.48

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Solution

The fourth proportional to 243.04, 366.40 and 235.48 is: 355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.04 : 366.40 = 235.48 : x
  2. Step 2: Convert to fraction form
    243.04/366.40 = 235.48/x
  3. Step 3: Cross multiply
    243.04x = 366.40 × 235.48
  4. Step 4: Simplify right side
    243.04x = 86,279.87
  5. Step 5: Solve for x
    x = 86,279.87/243.04
  6. Step 6: Final answer
    x = 355.00

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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.