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Finding the Fourth Proportional to 556.18, 835.10 and 482.28

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Solution

The fourth proportional to 556.18, 835.10 and 482.28 is: 724.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.18 : 835.10 = 482.28 : x
  2. Step 2: Convert to fraction form
    556.18/835.10 = 482.28/x
  3. Step 3: Cross multiply
    556.18x = 835.10 × 482.28
  4. Step 4: Simplify right side
    556.18x = 402,752.03
  5. Step 5: Solve for x
    x = 402,752.03/556.18
  6. Step 6: Final answer
    x = 724.14

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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.