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Finding the Fourth Proportional to 373.56, 558.06 and 242.48

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Solution

The fourth proportional to 373.56, 558.06 and 242.48 is: 362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.56 : 558.06 = 242.48 : x
  2. Step 2: Convert to fraction form
    373.56/558.06 = 242.48/x
  3. Step 3: Cross multiply
    373.56x = 558.06 × 242.48
  4. Step 4: Simplify right side
    373.56x = 135,318.39
  5. Step 5: Solve for x
    x = 135,318.39/373.56
  6. Step 6: Final answer
    x = 362.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.