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Finding the Fourth Proportional to 623.07, 858.06 and 610.92

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Solution

The fourth proportional to 623.07, 858.06 and 610.92 is: 841.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.07 : 858.06 = 610.92 : x
  2. Step 2: Convert to fraction form
    623.07/858.06 = 610.92/x
  3. Step 3: Cross multiply
    623.07x = 858.06 × 610.92
  4. Step 4: Simplify right side
    623.07x = 524,206.02
  5. Step 5: Solve for x
    x = 524,206.02/623.07
  6. Step 6: Final answer
    x = 841.33

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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.