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Finding the Fourth Proportional to 554.17, 835.13 and 499.38

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Solution

The fourth proportional to 554.17, 835.13 and 499.38 is: 752.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.17 : 835.13 = 499.38 : x
  2. Step 2: Convert to fraction form
    554.17/835.13 = 499.38/x
  3. Step 3: Cross multiply
    554.17x = 835.13 × 499.38
  4. Step 4: Simplify right side
    554.17x = 417,051.08
  5. Step 5: Solve for x
    x = 417,051.08/554.17
  6. Step 6: Final answer
    x = 752.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.