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Finding the Fourth Proportional to 556.90, 835.25 and 296.08

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Solution

The fourth proportional to 556.90, 835.25 and 296.08 is: 444.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.90 : 835.25 = 296.08 : x
  2. Step 2: Convert to fraction form
    556.90/835.25 = 296.08/x
  3. Step 3: Cross multiply
    556.90x = 835.25 × 296.08
  4. Step 4: Simplify right side
    556.90x = 247,297.25
  5. Step 5: Solve for x
    x = 247,297.25/556.90
  6. Step 6: Final answer
    x = 444.06

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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.