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Finding the Fourth Proportional to 651.38, 974.73 and 607.93

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Solution

The fourth proportional to 651.38, 974.73 and 607.93 is: 909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.38 : 974.73 = 607.93 : x
  2. Step 2: Convert to fraction form
    651.38/974.73 = 607.93/x
  3. Step 3: Cross multiply
    651.38x = 974.73 × 607.93
  4. Step 4: Simplify right side
    651.38x = 592,562.74
  5. Step 5: Solve for x
    x = 592,562.74/651.38
  6. Step 6: Final answer
    x = 909.71

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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.