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Finding the Fourth Proportional to 373.12, 558.84 and 228.52

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Solution

The fourth proportional to 373.12, 558.84 and 228.52 is: 342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.12 : 558.84 = 228.52 : x
  2. Step 2: Convert to fraction form
    373.12/558.84 = 228.52/x
  3. Step 3: Cross multiply
    373.12x = 558.84 × 228.52
  4. Step 4: Simplify right side
    373.12x = 127,706.12
  5. Step 5: Solve for x
    x = 127,706.12/373.12
  6. Step 6: Final answer
    x = 342.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.