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Finding the Fourth Proportional to 340.02, 468.91 and 228.24

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Solution

The fourth proportional to 340.02, 468.91 and 228.24 is: 314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.02 : 468.91 = 228.24 : x
  2. Step 2: Convert to fraction form
    340.02/468.91 = 228.24/x
  3. Step 3: Cross multiply
    340.02x = 468.91 × 228.24
  4. Step 4: Simplify right side
    340.02x = 107,023.02
  5. Step 5: Solve for x
    x = 107,023.02/340.02
  6. Step 6: Final answer
    x = 314.76

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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.