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Finding the Fourth Proportional to 356.15, 534.00 and 234.05

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Solution

The fourth proportional to 356.15, 534.00 and 234.05 is: 350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.15 : 534.00 = 234.05 : x
  2. Step 2: Convert to fraction form
    356.15/534.00 = 234.05/x
  3. Step 3: Cross multiply
    356.15x = 534.00 × 234.05
  4. Step 4: Simplify right side
    356.15x = 124,979.59
  5. Step 5: Solve for x
    x = 124,979.59/356.15
  6. Step 6: Final answer
    x = 350.92

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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.