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Finding the Fourth Proportional to 410.00, 611.69 and 358.56

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Solution

The fourth proportional to 410.00, 611.69 and 358.56 is: 534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.00 : 611.69 = 358.56 : x
  2. Step 2: Convert to fraction form
    410.00/611.69 = 358.56/x
  3. Step 3: Cross multiply
    410.00x = 611.69 × 358.56
  4. Step 4: Simplify right side
    410.00x = 219,325.77
  5. Step 5: Solve for x
    x = 219,325.77/410.00
  6. Step 6: Final answer
    x = 534.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.