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Finding the Fourth Proportional to 556.84, 834.95 and 228.01

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Solution

The fourth proportional to 556.84, 834.95 and 228.01 is: 341.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.84 : 834.95 = 228.01 : x
  2. Step 2: Convert to fraction form
    556.84/834.95 = 228.01/x
  3. Step 3: Cross multiply
    556.84x = 834.95 × 228.01
  4. Step 4: Simplify right side
    556.84x = 190,371.63
  5. Step 5: Solve for x
    x = 190,371.63/556.84
  6. Step 6: Final answer
    x = 341.88

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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.