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Finding the Fourth Proportional to 610.66, 916.91 and 350.96

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Solution

The fourth proportional to 610.66, 916.91 and 350.96 is: 526.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.66 : 916.91 = 350.96 : x
  2. Step 2: Convert to fraction form
    610.66/916.91 = 350.96/x
  3. Step 3: Cross multiply
    610.66x = 916.91 × 350.96
  4. Step 4: Simplify right side
    610.66x = 321,793.71
  5. Step 5: Solve for x
    x = 321,793.71/610.66
  6. Step 6: Final answer
    x = 526.96

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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.