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Finding the Fourth Proportional to 607.27, 837.93 and 358.50

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Solution

The fourth proportional to 607.27, 837.93 and 358.50 is: 494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.27 : 837.93 = 358.50 : x
  2. Step 2: Convert to fraction form
    607.27/837.93 = 358.50/x
  3. Step 3: Cross multiply
    607.27x = 837.93 × 358.50
  4. Step 4: Simplify right side
    607.27x = 300,393.72
  5. Step 5: Solve for x
    x = 300,393.72/607.27
  6. Step 6: Final answer
    x = 494.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.