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Finding the Fourth Proportional to 651.74, 976.60 and 359.00

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Solution

The fourth proportional to 651.74, 976.60 and 359.00 is: 537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.74 : 976.60 = 359.00 : x
  2. Step 2: Convert to fraction form
    651.74/976.60 = 359.00/x
  3. Step 3: Cross multiply
    651.74x = 976.60 × 359.00
  4. Step 4: Simplify right side
    651.74x = 350,594.97
  5. Step 5: Solve for x
    x = 350,594.97/651.74
  6. Step 6: Final answer
    x = 537.93

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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.