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Finding the Fourth Proportional to 607.83, 840.56 and 596.90

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Solution

The fourth proportional to 607.83, 840.56 and 596.90 is: 825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.83 : 840.56 = 596.90 : x
  2. Step 2: Convert to fraction form
    607.83/840.56 = 596.90/x
  3. Step 3: Cross multiply
    607.83x = 840.56 × 596.90
  4. Step 4: Simplify right side
    607.83x = 501,730.26
  5. Step 5: Solve for x
    x = 501,730.26/607.83
  6. Step 6: Final answer
    x = 825.45

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1.5x scale

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.