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Finding the Fourth Proportional to 633.83, 951.05 and 356.00

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Solution

The fourth proportional to 633.83, 951.05 and 356.00 is: 534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.83 : 951.05 = 356.00 : x
  2. Step 2: Convert to fraction form
    633.83/951.05 = 356.00/x
  3. Step 3: Cross multiply
    633.83x = 951.05 × 356.00
  4. Step 4: Simplify right side
    633.83x = 338,567.26
  5. Step 5: Solve for x
    x = 338,567.26/633.83
  6. Step 6: Final answer
    x = 534.17

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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.